Herbert Lom

Character: Maurice Meister

Donald Wolfit

Character: Dr. Lomond

Mai Zetterling

Character: Lisa

Greta Gynt

Character: Cora Ann Milton

William Hartnell

Character: Sam Hackett

Norman Wooland

Character: Inspector Bliss

Denholm Elliott

Character: John Lemley

Dora Bryan

Character: Mrs. Hackett

Charles Victor

Character: Inspector Wembury

Walter Fitzgerald

Character: Commissioner

John Stuart

Character: Gardener

John Slater

Character: Bell

Edward Chapman

Character: Stranger

Campbell Singer

Character: Station Sergeant Carter