One of Our Dinosaurs Is Missing

Escaping from China with a microfilm of the formula for the mysterious "Lotus X", Lord Southmere, a Queen's Messenger, is chased by a group of Chinese spies.

• 
  Robert Stevenson
• 
  Anthony Squire
• 
  Terry Clegg
• 
  Dickie Bamber
• 
  Tilly Day
• 
  Georgiana Hamilton

• 
  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
• 
  Percy Herbert
  Mr Gibbons
• 
  Arthur Howard
  Thumley
• 
  John Laurie
  Jock
• 
  Max Harris
  Truscott
• 
  Andrew Dove
  Lord Castleberry