One of Our Dinosaurs Is Missing

Hugh Burden as Haines Bernard Bresslaw as Fan Choy Natasha Pyne as Susan Aimée Delamain as Millicent Roy Kinnear as Superintendent Grubbs Richard Pearson as Sir Geoffrey Peter Madden as Sanders Joss Ackland as B.J. Spence Lucy Griffiths as Amelia John Bardon as Bookmaker John Laurie as Jock Joan Sims as Emily Frank Williams as Dr. Freemo Kathleen Byron as Colonel's Wife Deryck Guyler as Harris Arthur Howard as Thumley Angus Lennie as Hamish Erik Chitty as Museum Guard Helen Hayes as Hettie Clive Revill as Quon Amanda Barrie as Mrs BJ Spence Wensley Pithey as Bromley Molly Weir as Scots Nanny Jon Pertwee as Colonel Percy Herbert as Mr Gibbons Michael Elwyn as Haycock Anthony Sharp as Home Secretary Derek Nimmo as Lord Southmere Max Wall as Juggler Peter Ustinov as Prince John/ Hnup Wan ''Hunp'' Joan Hickson as Mrs Gibbons Jane Lapotaire as Miss Prescott

Bill Walsh Writer, Producer Peter Best Sound Editor Robert Stevenson Director