Mr. Goodman

Wilfrid Lawson

Ferry Fane

Bernard Lee

Detective Lewis

Richard Murdoch

Inspector Dobie

Edward Lexy

Policeman (uncredited)

Richard George

Kitchen Maid

Irene Handl

Parlour Maid

Kathleen Harrison

Doctor

David Keir

Warder Joyce

Jack Lambert

(uncredited)

Bill Shine

Police Constable (uncredited)

Jack Vyvyan

Police Photographer (uncredited)

Ben Williams

'Soapy' Marx

Alastair Sim

Colonel Redmayne

Arthur Wontner

Mary Redmayne

Linden Travers

Joe Conner

Henry Oscar

Mrs. Elvery

Iris Hoey

Hawkins

Stanley Lathbury

Veronica Elvery

Lesley Wareing

Superintendent Hallick

John Turnbull

Writer

Edgar Wallace

Director

Richard Bird

Screenplay

William Freshman

Producer

Walter C. Mycroft

Director of Photography

Walter J. Harvey

Art Direction

Cedric Dawe

Editor

Lionel Tomlinson