Director
Ewald André Dupont
DIRECTOR
Writer
Frank Partos
WRITER
S.S. Van Dine
Stars (in credits order)
Grant Richards
Philo Vance
Roscoe Karns
Sgt. Heath
Helen Burgess
Ada Greene
Ruth Coleman
Sibella Greene
Elizabeth Patterson
Mrs. Tobias Greene
Harvey Stephens
Dr. Von Blon
June Martel
Barton
Ellen Drew
Secretary
Purnell Pratt
John F. X. Markham
Colin Tapley
Chester Greene
James Bush
Rex Greene
Ivan F. Simpson
Sproot
Greta Meyer
Mrs. Mannheim
Leonard Carey
Lister
Nora Cecil
Hemming
George Anderson
Det. Snitkin (uncredited)
Barlowe Borland
Medical Examiner (uncredited)
Myra Marsh
Police Nurse (uncredited)
