Cast
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
T
Terry Palmer
Norman
Norman Bird
Aubrey
Terence Alexander
Rowing Coach (uncredited)
Grace Arnold
Train Passenger (uncredited)
T
Timothy Beaton
Paul Longman (uncredited)
Elizabeth Counsell
Girl Student on Station (uncredited)
Roger Delgado
Dr. Jean Bonvoulois (uncredited)
I
Ian Dewar
Crowd Ringleader (uncredited)
