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)