Cast
Campbell Singer
Station Sergeant Carter
John Stuart
Gardener
Herbert Lom
Maurice Meister
Donald Wolfit
Dr. Lomond
Mai Zetterling
Lisa
Greta Gynt
Cora Ann Milton
Denholm Elliott
John Lemley
Charles Victor
Inspector Wembury
John Slater
Bell
Edward Chapman
Stranger
William Hartnell
Sam Hackett
Norman Wooland
Inspector Bliss
Walter Fitzgerald
Commissioner
Dora Bryan
Mrs. Hackett