66 mins | Mystery | May 21, 1937
66 mins | Mystery | May 21, 1937
| Producers | Paramount |
| Original title | Night of Mystery |
| Directors | E.A. Dupont |
| Writers | Gladys Unger, Frank Partos |
as Philo Vance
as Sergeant Heath
as Ada Greene
as Sibella Greene
as Mrs. Tobias Greene / Dr. Von Blon
as Barton
as Secretary
as John F. X. Markham
as Chester Greene
as Rex Greene / Sproot / Mrs. Mannheim
as Lister / Hemming