Dr. Crabtree - Criminologist

Donald Meek

Inspector Carr

John Hamilton

Daisy

Betty Pierce

Ship's Captain

Harry T. Morey

Waite

Ray Collins

Dodge - Miller's Valet (uncredited)

Walter Kingsford

Detective Doyle (uncredited)

Charles C. Wilson

Dialogue

Burnet Hershey

Director

Joseph Henabery

Director of Photography

Edwin B. DuPar

Writer

S.S. Van Dine