Nick Burton
Helen Hewitt
Bruce Vander
James Brent
Dr. William 'Bill' Collins
May Thomas
Happy
Ox
Harold Kellogg
Sidney Keats
Professor
Sylvester Odgen 'SOS' Schofield (as Horace MacMahon)
Art Direction
Screenplay
Special Effects
Costume Supervisor
Story
Editor
Screenplay
Producer
Director
Director of Photography
Original Music Composer
Sound Recordist
