Dirk Bogarde
Dr. Simon Sparrow
Samantha Eggar
Delia Mallory
James Robertson Justice
Sir Lancelot Spratt
Donald Houston
Major Tommy Ffrench
Barbara Murray
Iris Merchant
Mylène Demongeot
Sonja Stromberg / Helga Stromberg
Jill Adams
Genevieve Milton
Fenella Fielding
Passenger on Train
Michael Flanders
Mr. Bradby
Pauline Jameson
Ward Sister Bond
Bill Kerr
Australian Sailor
Ann Lynn
Mrs. Mary Whittaker
Joe Robinson
Sonja's Boyfriend
Ronnie Barker
Man at Railway Station Ticket Counter (uncredited)
Amanda Barrie
Miss Rona Steele (uncredited)
Reginald Beckwith
Meyer (uncredited)
Christopher Beeny
Medical Student (uncredited)
Margaret Boyd
Lady Willoughby (uncredited)
John Bluthal
Railway Porter (uncredited)
Richard Briers
Medical Student (uncredited)
Johnny Briggs
Medical Student (uncredited)
Victor Brooks
Police Constable (uncredited)
Peter Butterworth
Ambulance Driver (uncredited)
Rodney Cardiff
Student Doctor (uncredited)
Pauline Chamberlain
Nurse (uncredited)
Denise Coffey
Food Seller at Railway Station (uncredited)
Victor Croxford
Hospital Porter (uncredited)
Alistair Dick
Train Passenger (uncredited)
Felix Felton
Health Farm Patient (uncredited)
Hilda Fenemore
Railway Station Barmaid (uncredited)
Michael Goldie
Physical Training Instructor (uncredited)
Richard Gordon
George Stubbins (uncredited)
Barbara Hicks
Miss Minton (uncredited)
George Hilsdon
Police Constable (uncredited)
Douglas Ives
Mr. Lewis (uncredited)
Juba Kennerley
Passerby (uncredited)
Ronald Lacey
Mum's Diner Customer (uncredited)
Harry Landis
Mum's Diner Customer (uncredited)
Jeanette Landis
Rosie (uncredited)
Aileen Lewis
Train Passenger (uncredited)
Leo McKern
Mr. Harry "Luther" Heilbronn (uncredited)
Jill Mai Meredith
Health Farm Nurse (uncredited)
Richard Neller
Council Official (uncredited)
Robert Rietti
Various (voice) (uncredited)
Renu Setna
Indian Medical Student (uncredited)
George Spence
Health Farm Patient (uncredited)
Ronnie Stevens
Hotel Manager (uncredited)
Marianne Stone
Mum's Diner Waitress (uncredited)
Toke Townley
Clerk of Works (uncredited)
Paula Wright
Train Passenger (uncredited)
