Michael Craig
Dr Richard Hare
Virginia Maskell
Dr Nicola Berrington
Leslie Phillips
Dr Tony Burke
James Robertson Justice
Sir Lancelot Spratt
Nicholas Phipps
Dr Clive Cardew
Carole Lesley
Kitten Strudwick
John Le Mesurier
Dr Mincing
Reginald Beckwith
Wildewinde
Ambrosine Phillpotts
Lady Spratt
Fenella Fielding
Mrs. Tadwich
Irene Handl
Professor MacRitchie
Esma Cannon
Rafia Woman (uncredited)
Ronnie Stevens
Harold Green
Nicholas Parsons
Dr. Hinxman
Sheila Hancock
Librarian (uncredited)
Rosalind Knight
Doctor (uncredited)
Patrick Cargill
Car Salesman (uncredited)
Joan Hickson
Nurse (uncredited)
Moira Redmond
Sally Nightingale
Angela Browne
Susan, Occupational Therapist (uncredited)
Avis Bunnage
Mrs. Jimp (uncredited)
Cyril Chamberlain
Bit Part (uncredited)
Bill Fraser
Police Sergeant (uncredited)
Warren Mitchell
Haystack Club Manager (uncredited)
John Junkin
Policeman (uncredited)
Marianne Stone
Hospital Sister (uncredited)
John Moulder-Brown
Boy (uncredited)
Peter Sallis
Lovestruck Patient (uncredited)
Norman Rossington
Strip Club Doorman (uncredited)
Sheila Aza
Visitor (uncredited)
John Blythe
Haystack Club Barman (uncredited)
Fay Bura
Dr. Harvey (uncredited)
Donald Churchill
Doctor (uncredited)
Roland Curram
Student Doctor
Jack Dearlove
Waiter (uncredited)
Sally Douglas
Dancer in Strip Show (uncredited)
Eve Eden
Dancer in Strip Show (uncredited)
Fred Griffiths
Ambulance Driver (uncredited)
Douglas Ives
Furniture Remover (uncredited)
Billy John
Doctor at Lecture (uncredited)
Charles Lloyd Pack
Hospital Dean (uncredited)
Derek Prentice
Doctor in Lecture (uncredited)
Robin Ray
Doctor (uncredited)
John Tatham
Haystack Club Patron (uncredited)
Jimmy Thompson
Doctor (uncredited)
Martin Wyldeck
Police Officer (uncredited)