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.
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
