One of Our Dinosaurs Is Missing

Derek Nimmo

Lord Southmere

Hugh Burden

Haines

Bernard Bresslaw

Fan Choy

Helen Hayes

Hettie

Joan Sims

Emily

Deryck Guyler

Harris

Clive Revill

Quon

Molly Weir

Scots Nanny

Max Wall

Juggler

Natasha Pyne

Susan

Joss Ackland

B.J. Spence

Peter Ustinov

Prince John/ Hnup Wan ''Hunp''

Jon Pertwee

Colonel

Joan Hickson

Mrs Gibbons

Amanda Barrie

Mrs BJ Spence