Charles Hutchison

Larry Hutchdale / 'Lightning Hutch'

Edith Thornton

Diane Winters

Sheldon Lewis

Boris Kosloff

Eddie Phillips

Clifford Price

Violet Schram

Marie Bruseff

Ben Walker

Henry

Virginia Pearson

Janet Thornwall

Gordon Sackville

Hugh Thornwall

LeRoy Mason

Frank Proctor

Ethan Laidlaw

Detective [Chs. 2-3] / Kosloff Henchman [Ch. 4 onwards] (uncredited)