Paul Lukas
Philo Vance
Acting
Alison Skipworth
Mrs. Llewellyn
Acting
Donald Cook
Lynn
Acting
Rosalind Russell
Doris
Acting
Arthur Byron
Kinkaid
Acting
Ted Healy
Sergeant Heath
Acting
Eric Blore
Currie
Acting
Isabel Jewell
Amelia
Acting
Louise Fazenda
Becky
Acting
Purnell Pratt
Markham
Acting
Leslie Fenton
Dr. Kane
Acting
Louise Henry
Virginia
Acting
Leo G. Carroll
Smith
Acting
Charles Sellon
Dr. Doremus
Acting
William Demarest
Auctioneer (uncredited)
Acting