Director
H. Bruce Humberstone
DIRECTOR
Writer
S.S. Van Dine
WRITER
F. Hugh Herbert
Robert N. Lee
Rian James
Stars (in credits order)
Warren William
Philo Vance
Margaret Lindsay
Bernice
Lyle Talbot
Dale Leland
Eugene Pallette
Sgt. Heath
Helen Lowell
Mrs. Stamm
Robert McWade
Markham
Robert Barrat
Rudolph Stamm
Dorothy Tree
Ruby Steele
George E. Stone
Ken Tatum
Etienne Girardot
Dr. Doremus
George Meeker
Monty Montague
Robert Warwick
Dr. Halliday
William B. Davidson
Greeff
Arthur Aylesworth
Trainor - Stamm's Butler
Charles C. Wilson
Detective Hennessey
Milton Kibbee
Service Station Attendant (uncredited)
Wilfred Lucas
Police Sergeant (uncredited)
Sam McDaniel
Steam Room Attendant (uncredited)
Bruce Mitchell
Commander (uncredited)
Henry Otho
Detective in Diving Suit (uncredited)
Hedwiga Reicher
Mrs. Schwartz (uncredited)
Cliff Saum
Burt - Detective (uncredited)
Eddie Shubert
Detective (uncredited)
Eric Wilton
Currey - Vance's Butler (uncredited)
