The Ringer

Herbert Lom

Maurice Meister

Donald Wolfit

Dr. Lomond

Mai Zetterling

Lisa

Greta Gynt

Cora Ann Milton

William Hartnell

Sam Hackett

Norman Wooland

Inspector Bliss

Denholm Elliott

John Lemley

Walter Fitzgerald

Commissioner

Dora Bryan

Mrs. Hackett

Campbell Singer

Station Sergeant Carter

Guy Hamilton

Director