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)

Billy Bevan
Jim (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)

Harry Cording
Miner (uncredited)

Rex Evans
Constable Briggs (uncredited)

Mary Field
Passerby at Willie's House (uncredited)

Edward Fielding
Prison Governor (uncredited)

Mary Gordon
Cookie (uncredited)

Kit Guard
Miner at Colliery (uncredited)

Frank Hagney
Bill (uncredited)

Leyland Hodgson
Chauffeur (uncredited)

Boyd Irwin
Minor Role (uncredited)

Dick Johnstone
Miner at Colliery (uncredited)

Colin Kenny
Plainclothesman (uncredited)

Bruce Lester
Chaplain (uncredited)

George Lloyd
Miner at Radcliffe Colliery (uncredited)

Edmund MacDonald
Miner at Radcliffe Colliery (uncredited)

William Newell
Minor Role (uncredited)

Frank O'Connor
Constable at Coal Train (uncredited)

Frances Robinson
Clinic Nurse (uncredited)

Ivan F. Simpson
Mr. Cotton (uncredited)

Harry Stubbs
Constable Tewsbury (uncredited)

Crane Whitley
Minor Role (uncredited)