Prudence Hardcastle is on the pill. So is her sister-in-law, but someone has been swapping aspirin for their pills. Is it the teenage niece, the maid, the chauffeur, a lover, Prudence's husband Gerald, or all of the above?
Deborah Kerr
Prudence Hardcastle
David Niven
Gerald Hardcastle
Robert Coote
Henry Hardcastle
Irina Demick
Elizabeth Brett
Joyce Redman
Grace Hardcastle
Judy Geeson
Geraldine Hardcastle