कलाकार
Annette Kerr
Gerald's Secretary
Judy Geeson
Geraldine Hardcastle
Keith Michell
Dr. Alan Huart
Edith Evans
Roberta Bates
David Dundas
Tony Bates
Vickery Turner
Rose
Harry Towb
Racetrack Official
Jonathan Lynn
Chemist's Assistant
Michael Hordern
Dr. Morley (uncredited)
David Niven
Gerald Hardcastle
Robert Coote
Henry Hardcastle
Joyce Redman
Grace Hardcastle
Arthur Hewlett
Mr. Ferguson (uncredited)
Peter Butterworth
Chemist
Moyra Fraser
Woman in Tea Shop
Ivor Dean
City Banker in Taxi Cab (uncredited)
Deborah Kerr
Prudence Hardcastle
Irina Demick
Elizabeth Brett