Fix ComboBox processing.

src/main/java/com/moviesdb/AddMovieController.java

@@ -268,9 +268,10 @@ public class AddMovieController extends Controller {
                                         System.out.println("\t\t\t-Type: " + part.toString());
 
                                         if (part instanceof ComboBox) {
-                                            System.out.println("\t\t\t\t Text: " + ((ComboBox) part).getValue().toString());
+                                            //System.out.println("\t\t\t\t Text: " + ((ComboBox) part).getValue().toString());
                                             if (part.getId().equals("actorName")) {
-                                                name = ((ComboBox) part).getValue().toString();
+                                                if (((ComboBox) part).getValue() != null)
+                                                    name = ((ComboBox) part).getValue().toString();
                                             }
                                         }