Cedric Hardwicke as Richard Cobb

Vincent Price as Geoffrey Radcliffe

Nan Grey as Helen Manson

John Sutton as Dr. Frank Griffin

Cecil Kellaway as Inspector Sampson

Alan Napier as Willie Spears

Forrester Harvey as Ben Jenkins

Ernie Adams as Minor Role (uncredited)

Jimmy Aubrey as Plainclothesman (uncredited)

Walter Bacon as Fight Spectator (uncredited)

Billy Bevan as Jim (uncredited)

Clara Blore as Woman (uncredited)

Stanley Blystone as Minor Role (uncredited)

Matthew Boulton as Policeman (uncredited)

Ed Brady as Policeman (uncredited)

Chet Brandenburg as Miner at Colliery (uncredited)

Louise Brien as Griffin's Secretary (uncredited)

Charles Brokaw as Minor Role (uncredited)

Jean Brooks as Minor Role (uncredited)

Tom Coleman as Miner at Colliery (uncredited)

Frank Coletti as Minor Role (uncredited)

Harry Cording as Miner (uncredited)

Paul England as Detective (uncredited)

Rex Evans as Constable Briggs (uncredited)

Mary Field as Passerby at Willie's House (uncredited)

Edward Fielding as Prison Governor (uncredited)

Raoul Freeman as Detective (uncredited)

Mary Gordon as Cookie (uncredited)

Sidney Grayler as Minor Role (uncredited)

Kit Guard as Miner at Colliery (uncredited)

Frank Hagney as Bill (uncredited)

Bobby Hale as Miner at Colliery (uncredited)

Barry Hays as Minor Role (uncredited)

Frank Hill as Policeman (uncredited)

Leyland Hodgson as Chauffeur (uncredited)

Hugh Huntley as Secretary (uncredited)

George Hyde as Miner at Radcliffe Colliery (uncredited)

Ellis Irving as Miner at Radcliffe Colliery (uncredited)

Boyd Irwin as Minor Role (uncredited)

Dick Johnstone as Miner at Colliery (uncredited)

Colin Kenny as Plainclothesman (uncredited)

George Kirby as Miner at Radcliffe Colliery (uncredited)

Bruce Lester as Chaplain (uncredited)

George Lloyd as Miner at Radcliffe Colliery (uncredited)

Jack Low as Miner at Colliery (uncredited)

Edmund MacDonald as Miner at Radcliffe Colliery (uncredited)

William Newell as Minor Role (uncredited)

Frank O'Connor as Constable at Coal Train (uncredited)

Alexander Pollard as Footman (uncredited)

Frances Robinson as Clinic Nurse (uncredited)

Robert Robinson as Miner at Colliery (uncredited)

Ivan F. Simpson as Mr. Cotton (uncredited)

Harry Stubbs as Constable Tewsbury (uncredited)

Denis Tankard as Miner at Radcliffe Colliery (uncredited)

Cyril Thornton as Policeman (uncredited)

David Thursby as Bob (uncredited)

Crane Whitley as Minor Role (uncredited)

Eric Wilton as Fingerprint Expert (uncredited)