diff --git a/backend/pom.xml b/backend/pom.xml
index d5069ee..989b623 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -31,21 +31,33 @@
 		<sonar.organization>neuefische</sonar.organization>
 		<sonar.host.url>https://sonarcloud.io</sonar.host.url>
 	</properties>
+
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<optional>true</optional>
+			<scope>annotationProcessor</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.2.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.jetbrains</groupId>
+			<artifactId>annotations</artifactId>
+			<version>17.0.0</version>
+			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -56,6 +68,11 @@
 			<artifactId>mysql-connector-j</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/backend/src/main/java/com/example/backend/controller/ActorController.java b/backend/src/main/java/com/example/backend/controller/ActorController.java
index 4f3bead..37f29c4 100644
--- a/backend/src/main/java/com/example/backend/controller/ActorController.java
+++ b/backend/src/main/java/com/example/backend/controller/ActorController.java
@@ -1,19 +1,28 @@
 package com.example.backend.controller;
 
-import com.example.backend.model.ActorRepository;
+import com.example.backend.dto.ActorResponse;
+import com.example.backend.dto.CreateActorRequest;
+import com.example.backend.model.Actor;
+import com.example.backend.service.ActorService;
 import lombok.AllArgsConstructor;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 
 @RestController
 @AllArgsConstructor
 @RequestMapping("/api/actor")
 public class ActorController {
-    private final ActorRepository actorRepository;
+    private final ActorService actorService;
 
     @PostMapping
-    public void save() {
-        // TODO
+    public ActorResponse save(@RequestBody @NotNull CreateActorRequest request) {
+        Actor actor = request.toActor();
+        actorService.createActor(actor);
+
+        return ActorResponse.from(actor);
     }
 
     @GetMapping("/{id}")
@@ -27,8 +36,8 @@ public void update() {
     }
 
     @GetMapping
-    public void getAll() {
-        // TODO
+    public List<ActorResponse> getAll() {
+        return actorService.getAllActors().stream().map(ActorResponse::from).toList();
     }
 
     @DeleteMapping("/{id}")
diff --git a/backend/src/main/java/com/example/backend/controller/DirectorController.java b/backend/src/main/java/com/example/backend/controller/DirectorController.java
new file mode 100644
index 0000000..d81c406
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/controller/DirectorController.java
@@ -0,0 +1,11 @@
+package com.example.backend.controller;
+
+import lombok.AllArgsConstructor;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@AllArgsConstructor
+@RequestMapping("/api/director")
+public class DirectorController {
+}
diff --git a/backend/src/main/java/com/example/backend/controller/MovieController.java b/backend/src/main/java/com/example/backend/controller/MovieController.java
new file mode 100644
index 0000000..ef14dc4
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/controller/MovieController.java
@@ -0,0 +1,11 @@
+package com.example.backend.controller;
+
+import lombok.AllArgsConstructor;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@AllArgsConstructor
+@RequestMapping("/api/movie")
+public class MovieController {
+}
diff --git a/backend/src/main/java/com/example/backend/dto/ActorResponse.java b/backend/src/main/java/com/example/backend/dto/ActorResponse.java
new file mode 100644
index 0000000..1a1bb0a
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/dto/ActorResponse.java
@@ -0,0 +1,14 @@
+package com.example.backend.dto;
+
+import com.example.backend.model.Actor;
+import lombok.Builder;
+
+@Builder
+public record ActorResponse(Long id, String name) {
+    public static ActorResponse from(Actor actor) {
+        return ActorResponse.builder()
+                .id(actor.getId())
+                .name(actor.getName())
+                .build();
+    }
+}
diff --git a/backend/src/main/java/com/example/backend/dto/CreateActorRequest.java b/backend/src/main/java/com/example/backend/dto/CreateActorRequest.java
new file mode 100644
index 0000000..f2366f4
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/dto/CreateActorRequest.java
@@ -0,0 +1,11 @@
+package com.example.backend.dto;
+
+import com.example.backend.model.Actor;
+
+public record CreateActorRequest(
+        String name
+) {
+    public Actor toActor() {
+        return Actor.builder().name(name).build();
+    }
+}
diff --git a/backend/src/main/java/com/example/backend/model/Actor.java b/backend/src/main/java/com/example/backend/model/Actor.java
index 2b80674..895ec13 100644
--- a/backend/src/main/java/com/example/backend/model/Actor.java
+++ b/backend/src/main/java/com/example/backend/model/Actor.java
@@ -1,23 +1,23 @@
 package com.example.backend.model;
 
 import jakarta.persistence.*;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 import java.util.Set;
 
-@Builder
 @Entity
-@NoArgsConstructor
 @AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@With
+@Data
 public class Actor {
 
     @Id
     @GeneratedValue
     private Long id;
 
-    @ManyToMany(cascade = { CascadeType.ALL })
+    @ManyToMany(cascade = {CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     private Set<Movie> movies;
 
     private String name;
diff --git a/backend/src/main/java/com/example/backend/model/Director.java b/backend/src/main/java/com/example/backend/model/Director.java
index 772c8cb..44eb96d 100644
--- a/backend/src/main/java/com/example/backend/model/Director.java
+++ b/backend/src/main/java/com/example/backend/model/Director.java
@@ -1,17 +1,23 @@
 package com.example.backend.model;
 
 import jakarta.persistence.*;
+import lombok.*;
 
 import java.util.Set;
 
 @Entity
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@With
+@Data
 public class Director {
 
     @Id
     @GeneratedValue
     private Long id;
 
-    @ManyToMany(cascade = { CascadeType.ALL })
+    @ManyToMany(cascade = {CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     private Set<Movie> movies;
 
     private String name;
diff --git a/backend/src/main/java/com/example/backend/model/Movie.java b/backend/src/main/java/com/example/backend/model/Movie.java
index 2c3fd52..2eed39c 100644
--- a/backend/src/main/java/com/example/backend/model/Movie.java
+++ b/backend/src/main/java/com/example/backend/model/Movie.java
@@ -12,10 +12,10 @@ public class Movie {
 
     private Double rating;
 
-    @ManyToMany(cascade = { CascadeType.ALL })
+    @ManyToMany(cascade = {CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     Set<Actor> actors;
 
-    @ManyToMany(cascade = { CascadeType.ALL })
+    @ManyToMany(cascade = {CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     Set<Director> directors;
 
     private String name;
diff --git a/backend/src/main/java/com/example/backend/service/ActorService.java b/backend/src/main/java/com/example/backend/service/ActorService.java
index 87e0058..31588a7 100644
--- a/backend/src/main/java/com/example/backend/service/ActorService.java
+++ b/backend/src/main/java/com/example/backend/service/ActorService.java
@@ -1,12 +1,23 @@
 package com.example.backend.service;
 
+import com.example.backend.dto.CreateActorRequest;
+import com.example.backend.model.Actor;
 import com.example.backend.model.ActorRepository;
 import lombok.AllArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 @AllArgsConstructor
 public class ActorService {
     private final ActorRepository actorRepository;
 
+    public Actor createActor(Actor actor) {
+        return actorRepository.save(actor);
+    }
+
+    public List<Actor> getAllActors() {
+        return actorRepository.findAll();
+    }
 }
diff --git a/backend/src/main/java/com/example/backend/service/DirectorService.java b/backend/src/main/java/com/example/backend/service/DirectorService.java
new file mode 100644
index 0000000..5dbe575
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/service/DirectorService.java
@@ -0,0 +1,11 @@
+package com.example.backend.service;
+
+import com.example.backend.model.DirectorRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DirectorService {
+    private final DirectorRepository directorRepository;
+}
diff --git a/backend/src/main/java/com/example/backend/service/MovieService.java b/backend/src/main/java/com/example/backend/service/MovieService.java
new file mode 100644
index 0000000..2c65f4a
--- /dev/null
+++ b/backend/src/main/java/com/example/backend/service/MovieService.java
@@ -0,0 +1,11 @@
+package com.example.backend.service;
+
+import com.example.backend.model.MovieRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class MovieService {
+    private final MovieRepository movieRepository;
+}
diff --git a/backend/src/test/java/com/example/backend/BackendApplicationTests.java b/backend/src/test/java/com/example/backend/BackendApplicationTests.java
deleted file mode 100644
index e6511ba..0000000
--- a/backend/src/test/java/com/example/backend/BackendApplicationTests.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.example.backend;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class BackendApplicationTests {
-
-	@Test
-	void contextLoads() {
-	}
-
-}
diff --git a/backend/src/test/java/com/example/backend/controller/ActorControllerTest.java b/backend/src/test/java/com/example/backend/controller/ActorControllerTest.java
new file mode 100644
index 0000000..ec0d6f3
--- /dev/null
+++ b/backend/src/test/java/com/example/backend/controller/ActorControllerTest.java
@@ -0,0 +1,61 @@
+package com.example.backend.controller;
+
+import com.example.backend.model.Actor;
+import com.example.backend.model.ActorRepository;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Example;
+import org.springframework.http.MediaType;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class ActorControllerTest {
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ActorRepository repository;
+
+    @Test
+    @DirtiesContext
+    void save() throws Exception {
+        mvc.perform(MockMvcRequestBuilders.post("/api/actor")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(
+                        """
+                                 {
+                                      "name": "John Doe"
+                                 }
+                                """
+                ));
+
+        List<Actor> actual = repository.findAll();
+        List<Actor> expected = List.of(Actor.builder().id(1L).name("John Doe").build());
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    void get() {
+    }
+
+    @Test
+    void update() {
+    }
+
+    @Test
+    void getAll() {
+    }
+
+    @Test
+    void delete() {
+    }
+}
\ No newline at end of file
diff --git a/backend/src/test/java/com/example/backend/service/ActorServiceTest.java b/backend/src/test/java/com/example/backend/service/ActorServiceTest.java
new file mode 100644
index 0000000..abf390f
--- /dev/null
+++ b/backend/src/test/java/com/example/backend/service/ActorServiceTest.java
@@ -0,0 +1,7 @@
+package com.example.backend.service;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ActorServiceTest {
+
+}
\ No newline at end of file
diff --git a/backend/src/test/resources/application.properties b/backend/src/test/resources/application.properties
new file mode 100644
index 0000000..1f56188
--- /dev/null
+++ b/backend/src/test/resources/application.properties
@@ -0,0 +1,5 @@
+jdbc.driverClassName=org.h2.Driver
+jdbc.url=jdbc:h2:mem:myDb;DB_CLOSE_DELAY=-1;NON_KEYWORDS=KEY,VALUE
+
+hibernate.dialect=org.hibernate.dialect.H2Dialect
+hibernate.hbm2ddl.auto=create
\ No newline at end of file