Duncan Richards

Diana Farnsworth

Louis Ashe

Dr. Blackton [Ch. 11]

Dr. Chambers [Chs. 1-2, 8]

Prof. Van Wyck

Anderson [Chs. 1-4]

Maxwell

Prof. Parker (as Joe Forte)

Count Fator [Chs. 11-12]

Wilson [Ch. 1]

Henchman Stricker [Chs. 4, 7, 9]

Henchman Harte [Chs. 6-7]

Bain

Snyder [Chs. 1-2] / Zane [Ch. 8]

Cross - Apartment Thug [Chs. 11-12]

Stunt Double

Screenplay

Screenplay

Director

Director

Screenplay

Screenplay

Set Decoration

Editor

Director of Photography

Original Music Composer

Art Direction

Special Effects

Set Decoration

Special Effects

Editor

Sound

Associate Producer