Roald Dahl Creator, Self, Writer, Writer José Ferrer Carlos Actor Jack Weston William Botibol Actor Siobhan McKenna The Landlady Actor Joseph Cotten Edward Actor Susan George Mary Marney Actor Katy Jurado Woman Actor Julie Harris Mrs Bixby Actor Pamela Stephenson Cathy Actor Brian Blessed Detective Sergeant Jack Nolan Actor Brian Capron Airport Official Actor Phil Brown F Milton Willis Actor Sandra Payne Miss Pulteney Actor Michael Byrne Patrick Marney Actor Jimmy Mac William Pearl Actor Angus MacKay Walker Actor Jess Davies Gregory Temple Actor Richard Greene The Colonel Actor John Gielgud Jelks Actor John Bryant Christopher Mulholland Actor Rodney Bennett Director Simon Langton Director Michael Tuchner Director Donald McWhinnie Director Herbert Wise Director John Davies Director Christopher Miles Director Ronald Harwood Writer, Screenwriter Robin Chapman Writer Kevin Goldstein-Jackson Screenwriter John Rosenberg Producer John Woolf Executive Producer Ron Grainer Music