Peter Wyngarde as Norman Taylor

Janet Blair as Tansy Taylor

Margaret Johnston as Flora Carr

Anthony Nicholls as Harvey Sawtelle

Colin Gordon as Lindsay Carr

Kathleen Byron as Evelyn Sawtelle

Reginald Beckwith as Harold Gunnison

Jessica Dunning as Hilda Gunnison

Norman Bird as Doctor

Judith Stott as Margaret Abbott

Bill Mitchell as Fred Jennings

Paul Frees as Prologue Narrator (voice) (uncredited)

Frank Singuineau as Truck Driver (uncredited)

George Roubicek as Cleaner (uncredited)

Gary Woolf as Relief Driver (uncredited)