Joan Greenwood as Lettice Mason

Michael Hordern as George Mason

Clive Francis as Laurie

Peter Straker as Jo Delaney

Peter Bull as Peter Hovendon

Patricia Routledge as Pamela Hovendon

Rudolph Walker as Mr. Delaney

Elisabeth Welch as Mrs. Delaney

Diana Hoddinott as Wife / Husband

Arthur Blake as Ticket Collector (uncredited)

Roberta Gibbs as Liz (uncredited)

Jonathon Kramer as Husband / Wife (uncredited)