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