Elenco
Edmund Lowe
Philo Vance
Virginia Bruce
Zalia Graem
Benita Hume
Nurse Gladys Beeton
Douglas Walton
Floyd Garden
Nat Pendleton
Sergeant Ernest Heath
Gene Lockhart
Edgar Lowe Hammle
H.B. Warner
Major Fenwicke-Ralston
Kent Smith
Woode Swift
Grant Mitchell
District Attorney Markham
Frieda Inescort
Mrs. Madge Fenwicke-Ralston
Henry B. Walthall
Dr. Garden
Jessie Ralph
Mrs. Hammle
Charles Trowbridge
Inspector Colby
Etienne Girardot
Dr. Doremus
William Austin
Sneed, Hammle's Butler (Uncredited)
Don Brodie
Messenger (Uncredited)
Olaf Hytten
Vance's Butler (Uncredited)
Rosalind Ivan
Mrs. Jepson (Uncredited)
Fred Kelsey
Heath's Assistant (Uncredited)
Wilbur Mack
Man Yelling at Race Track (Uncredited)
Lee Phelps
Bus Driver (Uncredited)
Alexander Pollard
Waiter at Race Track (Uncredited)
Jack Roper
Servant Eating Caviar (Uncredited)
Matty Roubert
Newsboy (Uncredited)
Dorothy Vernon
Woman Running for Bus (Uncredited)
Duke York
Traffic Cop (Uncredited)
Equipe
S.S. Van Dine
Novel
Edwin L. Marin
Director
Bertram Millhauser
Screenplay
Lesley Selander
Assistant Director
Charles G. Clarke
Director of Photography
William Axt
Original Music Composer
Ned Marin
Producer
Cedric Gibbons
Art Direction
Lucien Hubbard
Producer
Ben Lewis
Editor
Jack Virgil
Orchestrator
Paul Marquardt
Orchestrator
Douglas Shearer
Sound Director
Edwin B. Willis
Art Direction
Joseph C. Wright
Art Direction
Dolly Tree
Costume Design