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William Wright as Philo Vance |
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Vivian Austin as Lorena Blendon Simms |
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Leon Belasco as Alexis Karnoff |
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Clara Blandick as Stella Blendon |
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Ramsay Ames as Virginia Berneaux |
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Damian O'Flynn as Larry Blendon |
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Frank Wilcox as George Hullman |
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Iris Adrian as Maggie McCarthy / Choo-Choo Divine |
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Ann Staunton as Helen Varney Blendon |
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Tim Murdock as The Policeman |
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Mary Scott as Mary |
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Wade Crosby as Choo-Choo's Bodyguard (Uncredited) |
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Eddie Dunn as Police Lieutenant Mullard (Uncredited) |
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Broderick O'Farrell as Dr. Campbell (Uncredited) |
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Phyllis Planchard as Agatha Cowle (Uncredited) |
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Cy Stevens as Greg Simms (Uncredited) |
| Directing | William Beaudine | Director |
| Sound | William Kernell | Dialogue Editor |
| Costume & Make-Up | Eunice King | Hairstylist |
| Directing | William Beaudine Jr. | Second Assistant Director |
| Crew | George J. Teague | Special Effects |
| Camera | Jackson Rose | Director of Photography |
| Sound | Percy Townsend | Sound Mixer |
| Directing | Emmett Emerson | Assistant Director |
| Sound | Irving Friedman | Music Director |
| Sound | J.N.A. Hawkins | Sound Director |
| Editing | Gene Fowler Jr. | Editor |
| Art | Armor Marlowe | Set Decoration |
| Writing | S.S. Van Dine | Characters |
| Art | Perry Smith | Art Direction |
| Writing | Robert E. Kent | Screenplay |
| Production | Howard Welsch | Producer |
| Editing | Alfred DeGaetano | Supervising Editor |
| Sound | Albert Glasser | Original Music Composer |
| Costume & Make-Up | Dorothy Drake | Wardrobe Supervisor |
| Directing | Howard W. Koch | Assistant Director |
| Costume & Make-Up | Bud Westmore | Makeup Department Head |
