A London curator loses the Mona Lisa to a collector, who discovers it's a fake.
| Writing | Randall Faye | Screenplay |
| Directing | George Blair | Director |
| Sound | Ed Borschell | Sound |
| Sound | Richard Cherwin | Music Director |
| Editing | Fred Allen | Editor |
| Art | Frank Hotaling | Art Direction |
| Crew | William Bradford | Cinematography |
| Art | Charles S. Thompson | Set Decoration |
| Production | George Blair | Associate Producer |
| Costume & Make-Up | Peggy Gray | Hairstylist |
| Costume & Make-Up | Bob Mark | Makeup Supervisor |
| Sound | Charles Maxwell | Original Music Composer |
| Costume & Make-Up | Adele Palmer | Costume Supervisor |
| Camera | Ernest Miller | Director of Photography |
