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

Dora Bryan

Mrs. Hackett

Charles Victor

Inspector Wembury

Walter Fitzgerald

Commissioner

John Stuart

Gardener

John Slater

Bell

Edward Chapman

Stranger

Campbell Singer

Station Sergeant Carter