Glynis Johns as Miranda Trewella

Googie Withers as Clare Martin

Griffith Jones as Dr. Paul Martin

John McCallum as Nigel

Margaret Rutherford as Nurse Carey

David Tomlinson as Charles

Yvonne Owen as Betty

Sonia Holm as Isobel

Brian Oulton as Manell

Zena Marshall as Secretary

Lyn Evans as Inn Landlord

Stringer Davis as Museum Attendant

Hal Osmond as Railway Carman

Maurice Denham as Cockle Vendor

Gerald Campion as Lift Boy (uncredited)

Howard Douglas as Fisherman (uncredited)

Joan Ingram as Primadonna (uncredited)

Tonie MacMillan as Nigel's Landlady (uncredited)

Charles Paton as On the Kiosk (uncredited)

Philip Ray as Fisherman (uncredited)

Charles Rolfe as On the Kiosk (uncredited)

Frank Webster as Service Man (uncredited)