Directed by
| Frank Capra | ||
Writing Credits
| Frank Capra | ... | (written by) |
Cast (in credits order)
| Richard Carlson | ... | Mr. Fiction Writer | |
 |
Frank Baxter | ... | Dr. Research (as Dr. Frank Baxter) |
| Rest of cast listed alphabetically: | |||
| Mel Blanc | ... | Squirrel / Turtle / Alligator / Rabbit (voice) (uncredited) | |
| June Foray | ... | Deer / Bird (voice) (uncredited) | |
| Sterling Holloway | ... | Lab assistant (uncredited) | |
| Marvin Miller | ... | Hemo / Professor Anatomy (voice) (uncredited) | |
Produced by
| Frank Capra | ... | producer |
| Joseph Sistrom | ... | associate producer |
Cinematography by
| Harold E. Wellman | ... | (as Harold Wellman) |
Editing by
| Frank P. Keller | ||
Second Unit Director or Assistant Director
| Arthur S. Black Jr. | ... | assistant director (as Arthur S. Black) |
Sound Department
| Archie Dattelbaum | ... | sound effects |
Animation Department
| Shamus Culhane | ... | animator (uncredited) |
| William T. Hurtz | ... | animation director (uncredited) |
Music Department
| Raoul Kraushaar | ... | music supervisor |
Additional Crew
| Donald Jones | ... | executive coordinator |
| Nancy Pitt | ... | researcher |
