Phyllis Calvert
Evelyn Acheson
Eric Portman
Henry Acheson
Stanley Baker
Stephen Lorimer
Mandy Miller
Elizabeth Lorimer
Dora Bryan
Cassie
Percy Herbert
Det. Sgt. Taylor
Joan Benham
Vera McNally
Victor Maddern
Bert
Martin Miller
Professor Topolski
Joan Hickson
Cook
Alfie Bass
Ticket Collector
Bruce Beeby
Policeman
Grace Arnold
Mrs. Groves
Molly Urquhart
Mrs. Parsons
Estelle E. Richmond
Nurse
Peter Burton
Howard Forbes (uncredited)
Maggie Smith
Party Guest (uncredited)
Christopher Toyne
Peter McNally (uncredited)
Carol White
Elizabeth's Friend (uncredited)