cast
- Michael Redgrave
- Sir Arthur Benson Gray
- Tony Britton
- Philip Selwood
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- Carl Möhner
- Dr. Carl Romek
- Niall MacGinnis
- Neil Isherwood
- Ian Bannen
- Alan Crabtree
- Brenda Bruce
- Elizabeth Fallon
- Lionel Jeffries
- Walter Froy
- Miles Malleson
- Sir Oswald Pettiford
- Vanessa Redgrave
- Pamela Gray
- Ann Firbank
- Mrs. Judson
- John Gale
- Mr. John Greenwood
- Jack Hedley
- Dr. Galbraith
- Hugh Miller
- Examiner
- Mary Skinner
- Theater Sister
- Margaret Tyzack
- Night Sister
- John Welsh
- Col. Langley
crew
- Brian Desmond Hurst
- Director
- Josef Somlo
- Producer
- Sergei Nolbandov
- Producer
- John Hunter
- Screenwriter
- John Rowan Wilson
- Book Author
- Robert Krasker
- Cinematographer
- Geoffrey Wright
- Composer (Music Score)
- Allan Morrison
- Editor
