Joe May
Director
Curt Siodmak
Screenplay
Lester Cole
Screenplay
Jack Otterson
Art Direction
Vera West
Costume Design
Frank Skinner
Original Music Composer
Hans J. Salter
Original Music Composer
Milton Krasner
Director of Photography
Russell A. Gausman
Set Decoration
Joe May
Story
Curt Siodmak
Story
H.G. Wells
Characters
Frank Gross
Editor
John P. Fulton
Visual Effects
Cedric Belfrage
Additional Writing
Ken Goldsmith
Associate Producer
Phil Karlson
Assistant Director
Martin Obzina
Art Direction
Bernard B. Brown
Sound Supervisor
William Hedgcock
Sound Engineer
Cleo E. Baker
Visual Effects
David S. Horsley
Special Effects
Charles Previn
Music Director
Cedric Hardwicke
Richard Cobb
Vincent Price
Geoffrey Radcliffe
Nan Grey
Helen Manson
John Sutton
Dr. Frank Griffin
Cecil Kellaway
Inspector Sampson
Alan Napier
Willie Spears
Forrester Harvey
Ben Jenkins
Ernie Adams
Minor Role (uncredited)
Jimmy Aubrey
Plainclothesman (uncredited)
Walter Bacon
Fight Spectator (uncredited)
Billy Bevan
Jim (uncredited)
Clara Blore
Woman (uncredited)
Stanley Blystone
Minor Role (uncredited)
Matthew Boulton
Policeman (uncredited)
Ed Brady
Policeman (uncredited)
Chet Brandenburg
Miner at Colliery (uncredited)
Louise Brien
Griffin's Secretary (uncredited)
Charles Brokaw
Minor Role (uncredited)
Jean Brooks
Minor Role (uncredited)
Tom Coleman
Miner at Colliery (uncredited)
Frank Coletti
Minor Role (uncredited)
Harry Cording
Miner (uncredited)
Paul England
Detective (uncredited)
Rex Evans
Constable Briggs (uncredited)
Mary Field
Passerby at Willie's House (uncredited)
Edward Fielding
Prison Governor (uncredited)
Raoul Freeman
Detective (uncredited)
Mary Gordon
Cookie (uncredited)
Sidney Grayler
Minor Role (uncredited)
Kit Guard
Miner at Colliery (uncredited)
Frank Hagney
Bill (uncredited)
Bobby Hale
Miner at Colliery (uncredited)
Barry Hays
Minor Role (uncredited)
Frank Hill
Policeman (uncredited)
Leyland Hodgson
Chauffeur (uncredited)
Hugh Huntley
Secretary (uncredited)
George Hyde
Miner at Radcliffe Colliery (uncredited)
Ellis Irving
Miner at Radcliffe Colliery (uncredited)
Boyd Irwin
Minor Role (uncredited)
Dick Johnstone
Miner at Colliery (uncredited)
Colin Kenny
Plainclothesman (uncredited)
George Kirby
Miner at Radcliffe Colliery (uncredited)
Bruce Lester
Chaplain (uncredited)
George Lloyd
Miner at Radcliffe Colliery (uncredited)
Jack Low
Miner at Colliery (uncredited)
Edmund MacDonald
Miner at Radcliffe Colliery (uncredited)
William Newell
Minor Role (uncredited)
Frank O'Connor
Constable at Coal Train (uncredited)
Alexander Pollard
Footman (uncredited)
Frances Robinson
Clinic Nurse (uncredited)
Robert Robinson
Miner at Colliery (uncredited)
Ivan F. Simpson
Mr. Cotton (uncredited)
Harry Stubbs
Constable Tewsbury (uncredited)
Denis Tankard
Miner at Radcliffe Colliery (uncredited)
Cyril Thornton
Policeman (uncredited)
David Thursby
Bob (uncredited)
Crane Whitley
Minor Role (uncredited)
Eric Wilton
Fingerprint Expert (uncredited)
