| Directed by |
James P. Hogan |
|
| Cast: | ||
| Ellery Queen | William Gargan | |
| Nikki Porter | Margaret Lindsay | |
| Inspector Richard Queen | Charley Grapewin | |
| Inspector Richard Queen | Charles Grapewin | |
| Mrs. Van Dorn | Gale Sondergaard | |
| Paul Gillette | Gilbert Roland | |
| Heinrich - Spy Leader | Sig Ruman | |
| Police Sgt. Velie | James Burke | |
| Dr. Morse - Lido Club Physician | Ernst Deutsch | |
| Cmdr. Lang | Minor Watson | |
| Mr. Calkus - Museum Owner | Maurice Cass | |
| Helm - Lido Club Manager | Felix Basch | |
| Bracken - The Police Commissioner | John Hamilton | |
| Reece | Ludwig Donath | |
| The Big Sailor | Dick Wessel | |
| The Small Sailor | Billy Bletcher | |
| Van Dorn Chauffeur | Willy Castello | |
| Apartment Tenant | Dorothy Granger | |
| Apartment Tenant | William Newell | |
| Railway Ticket Agent | Jack Rice | |
| Lido Club Desk Clerk | Arthur Space | |
| Marine Corporal | Harry Strang | |
| Capt. Earhardt | Hans Heinrich von Twardowski | |
| Year: | 1942 | |
| Running time: | 64 minutes | |
| Country: | United States | |
| Language: | English | |