The Lodger

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

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Fred Aldrich

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