Merle Oberon
Kitty Langley

Laird Cregar
Mr. Slade

George Sanders
Inspector John Warwick

Cedric Hardwicke
Robert Bonting

Sara Allgood
Ellen Bonting

Aubrey Mather
Superintendent Sutherland

Queenie Leonard
Daisy the Maid

Doris Lloyd
Jennie

David Clyde
Det. Sgt. Bates

Helena Pickard
Annie Rowley

Ruth Clifford
Hairdresser (uncredited)

Thora Hird
First Murder Victim Katie (uncredited)

Anita Sharp-Bolster
Wiggy (uncredited)

C. Montague Shaw
Stage Manager (uncredited)

Skelton Knaggs
Man with Cart

Charlie Hall
Comedian

Bess Flowers
Woman in Audience

Olaf Hytten
Harris, the Haberdasher

Fred Aldrich

Jimmy Aubrey

Billy Bevan

Ted Billings

Edmund Breon

Colin Campbell

Cyril Delevanti

Frank Elliott

Herbert Evans

Douglas Gerrard

Gibson Gowland

Kit Guard

Frank Hagney

Gerald Hamer

Lumsden Hare

Forrester Harvey

Stuart Holmes

Boyd Irwin

Colin Kenny

Crauford Kent

George Magrill

Kermit Maynard

Philo McCullough

Raymond Severn

Yorke Sherwood

Will Stanton

Donald Stuart

Walter Tetley

Frederick Worlock