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

Heather Wilde

Fred Aldrich

Harry Allen

Jimmy Aubrey

Wilson Benge

Billy Bevan

Ted Billings

Edmund Breon

Mae Bruce

Colin Campbell

Herbert Clifton

Grace Davies

Harold De Becker

Cyril Delevanti

Frank Elliott

Herbert Evans

Douglas Gerrard

Gibson Gowland

Kit Guard

Frank Hagney

Gerald Hamer

Lumsden Hare

Alec Harford

Forrester Harvey

Stuart Holmes

Kenneth Hunter

Boyd Irwin

Edna Mae Jones

Colin Kenny

Crauford Kent

Charles Knight

Connie Leon

George Magrill

Kermit Maynard

Mathew McCue

Philo McCullough

Clive Morgan

Edmund Mortimer

John Rice

John Rogers

Raymond Severn

Yorke Sherwood

Leslie Sketchley

Will Stanton

Jane Starr

Robert R. Stephenson

Donald Stuart

Walter Tetley

David Thursby

Frederick Worlock

Joan Bayley

Undetermined Secondary Role