One of Our Dinosaurs Is Missing

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

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