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