Cast
Cecil Parker
Arthur Prohack
Glynis Johns
Mimi Warburton
Ian Carmichael
Hat Salesman (uncredited)
Denholm Elliott
Oswald Morfrey
Bryan Forbes
Tony
Frederick Leister
The Director General
Heather Thatcher
Lady Maslam
Frederick Valk
Dr. Viega
Judith Furse
Laura Postern
Hermione Baddeley
Eve Prohack
Jon Pertwee
Plover
Henry Edwards
Sir Digby Bunce
Ada Reeve
Mrs. Griggs
Sheila Sim
Mary Prohack
Russell Waters
Cartwright
James Hayter
Carrell Quire
Jerry Verno
Taxi Driver (uncredited)
Dirk Bogarde
Charles Prohack