Philo Vance investigates when a murderer preys upon members of a wealthy family on New York's Upper East Side.
| Directing | Frank Tuttle | Director |
| Writing | S.S. Van Dine | Novel |
| Writing | Louise Long | Screenplay |
| Camera | Henry W. Gerrard | Director of Photography |
| Editing | Verna Willis | Editor |
| Writing | Bartlett Cormack | Dialogue |
| Production | B.P. Schulberg | Producer |
| Sound | Karl Hajos | Original Music Composer |
| Production | Fred A. Datig | Casting |
| Costume & Make-Up | Travis Banton | Costume Design |
| Production | Dick Stockton | Casting Assistant |
