Générique complet
Lightning Hutch
Charles Hutchison
Larry Hutchdale / 'Lightning Hutch'
ET
Edith Thornton
Diane Winters
Sheldon Lewis
Boris Kosloff
Eddie Phillips
Clifford Price
Violet Schram
Marie Bruseff
BW
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)