Sidney Hayers Director Chad Everett Quentin Barnaby Actor Anjanette Comer Toby Collins Actor Keith Barron Jim Maxwell Actor Joanne Dainton Valerie Chrane Actor Rupert Davies Prentice Actor John Loder Routledge Actor Robert Flemyng Carlson Actor Roy Kinnear Roscoe Actor Philip Levene Writer Julian Wintle Producer Alan Hume Cinematographer Lionel Selwyn Film Editing Laurie Johnson Original Music Harry Pottle Production Design