On screen
Cast
30 credited performers
Dirk Bogarde
Dr. Henry Laidlaw Longman
Mary Ure
Oonagh Longman
John Clements
Major Hall
Michael Bryant
Dr. Danny Tate
Wendy Craig
Annabella
Harold Goldblatt
Professor Sharpey
Geoffrey Keen
Calder
Artwork unavailable
Terry Palmer
Norman
Norman Bird
Aubrey
Terence Alexander
Rowing Coach (uncredited)
Grace Arnold
Train Passenger (uncredited)
Artwork unavailable
Timothy Beaton
Paul Longman (uncredited)
Elizabeth Counsell
Girl Student on Station (uncredited)
Roger Delgado
Dr. Jean Bonvoulois (uncredited)
Artwork unavailable
Ian Dewar
Crowd Ringleader (uncredited)
Artwork unavailable
Geoffrey Denton
Train Guard (uncredited)
Artwork unavailable
Ashik Devello
2nd Indian Student (uncredited)
Terence Edmond
1st Student at Party (uncredited)
Christopher Ellis
Peers Longman (uncredited)
Edward Fox
Stewart (uncredited)
Imogen Hassall
Student (uncredited)
Robin Hawdon
Student (uncredited)
Georgina Moon
Persephone Longman (uncredited)
Artwork unavailable
Edward Palmer
Porter (uncredited)
Philip Ray
Father (uncredited)
Renu Setna
1st Indian Student (uncredited)
Artwork unavailable
Anthony Singleton
Boy Student on Station (uncredited)
Artwork unavailable
Teresa Van Hoorn
Penny Longman ( uncredited)
David Weston
Student at Party (uncredited)
Artwork unavailable
Pauline Winter
Mother (uncredited)