Cast
Jay Eaton
Auction Floorman (uncredited)
Miki Morita
Japanese Casino Waiter (uncredited)
Leslie Fenton
Dr. Kane
Wallis Clark
Dr. Elton (uncredited)
Grace Hayle
Fat Lady at Auction (uncredited)
Bert Moorhouse
Casino Patron (uncredited)
Arthur Byron
Richard Kinkaid
Isabel Jewell
Amelia Llewellyn
Sidney Bracey
Waiter (unconfirmed) (uncredited)
Alphonse Martell
Roulette Croupier (uncredited)
Louise Fazenda
Becky
Leo G. Carroll
Smith (as Leo Carroll)
Ernie Adams
Husband of Fat Lady at Auction (uncredited)
Brooks Benedict
Casino Patron (uncredited)
William Demarest
Auctioneer (uncredited)
Milton Kibbee
Reporter (uncredited)
Frank Reicher
Assistant Coroner (uncredited)
Rosalind Russell
Doris Reed
Purnell Pratt
District Attorney John Markham (as Purnell B. Pratt)
Lillian Elliott
Mrs. Marting (uncredited)
Pat Flaherty
Watchman (uncredited)
Paul Lukas
Philo Vance
Ted Healy
Police Sergeant Ernest Heath
Louise Henry
Virginia Llewellyn
Charles Sellon
Dr. Doremus
Alison Skipworth
Priscilla Kinkaid Llewellyn
Eric Blore
Currie
Keye Luke
Taki - Casino Pageboy (uncredited)
Donald Cook
Lynn Llewellyn