One of Our Dinosaurs Is Missing

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

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