Hugh Beaumont
— Michael Shayne
Trudy Marshall
— Phyllis Hamilton
Ralph Dunn
— Detective Peter Rafferty
Claire Carleton
— Mayme Martin
Charles Mitchell
— Tim Rourke
John Hamilton
— Albert Payson
Grandon Rhodes
— John Hardeman
Ben Welden
— Gil Madden / Theodore Ross
Byron Foulger
— Ben Edwards / Claude Bates
Jean Andren
— Mary Edwards
George Meader
— Clarence
Stanley Blystone
— Chief Boyle (uncredited)
Gary Gray
— Jimmy Edwards (uncredited)
Frank Hagney
— Joe (uncredited)
Carl M. Leviness
— Hotel Guest (uncredited)
Maurice B. Mozelle
— Punk (uncredited)
Sol Murgi
— Hotel Guest (uncredited)