Réalisation: George Waggner
Dan Mac Cormick est un homme qui présente une résistance exceptionnelle aux décharges électriques. Il utilise ce don en l'exploitant dans des foires où on le surnomme l'"homme-dynamo". Le Docteur Rigas et son associé, deux chercheurs en électro-biologie, se penchent sur le cas de cet homme étrange...
Lon Chaney Jr.
Dan McCormick
Lionel Atwill
Dr. Paul Rigas
Anne Nagel
June Lawrence
Frank Albertson
Mark Adams
Samuel S. Hinds
Dr. John Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
Ivan Miller
Doctor
Chester Gan
Chinese Boy, Wong
George Meader
Dr. Bruno
Frank O'Connor
Detective
John Dilson
Medical Examiner
Byron Foulger
Alienist #2
Jessie Arnold
Mrs. Frank Davis (uncredited)
James Blaine
Charlie, Prison Guard (uncredited)
Gary Breckner
Radio Announcer (uncredited)
Lowell Drew
Jury Foreman (uncredited)
John Ellis
Assistant District Attorney (uncredited)
Douglas Evans
Police Radio Announcer (uncredited)
Lon Chaney Jr.
Dan McCormick
Lionel Atwill
Dr. Paul Rigas
Anne Nagel
June Lawrence
Frank Albertson
Mark Adams
Samuel S. Hinds
Dr. John Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
Ivan Miller
Doctor
Chester Gan
Chinese Boy, Wong
George Meader
Dr. Bruno
Frank O'Connor
Detective
John Dilson
Medical Examiner
Byron Foulger
Alienist #2
Jessie Arnold
Mrs. Frank Davis (uncredited)
James Blaine
Charlie, Prison Guard (uncredited)
Gary Breckner
Radio Announcer (uncredited)
Lowell Drew
Jury Foreman (uncredited)
John Ellis
Assistant District Attorney (uncredited)
Douglas Evans
Police Radio Announcer (uncredited)
Lon Chaney Jr.
Dan McCormick
Lionel Atwill
Dr. Paul Rigas
Anne Nagel
June Lawrence
Frank Albertson
Mark Adams
Samuel S. Hinds
Dr. John Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
Ivan Miller
Doctor
Chester Gan
Chinese Boy, Wong
George Meader
Dr. Bruno
Frank O'Connor
Detective
John Dilson
Medical Examiner
Byron Foulger
Alienist #2
Jessie Arnold
Mrs. Frank Davis (uncredited)
James Blaine
Charlie, Prison Guard (uncredited)
Gary Breckner
Radio Announcer (uncredited)
Lowell Drew
Jury Foreman (uncredited)
John Ellis
Assistant District Attorney (uncredited)
Douglas Evans
Police Radio Announcer (uncredited)