 | Richard Carlson als The Fiction Writer |
 | Frank Baxter als Dr. Research (as Dr. Frank Baxter) |
 | Mae West als Miss Ultraviolet (voice, archive footage) |
| Frank Capra | Director |
| Joseph Sistrom | Producer |
| William T. Hurtz | Director |
| Jonathan Latimer | Writer |
| Frank Capra | Producer |
| Frank Capra | Writer |
| Shamus Culhane | Producer |
| Harold E. Wellman | Director of Photography |
| Ellis W. Carter | Director of Photography |
| Ray Snyder | Editor |
| Frank P. Keller | Editor |
| Arthur S. Black Jr. | Assistant Director |
| Archie Dattelbaum | Sound Effects |
| Ari Robbins | Steadicam Operator |
| Edison Hoge | Cinematography |
| Raoul Kraushaar | Music Supervisor |
| Nancy Pitt | Researcher |
| Cora Baird | Special Props |
