A dog with a spying device under its skin is sent to the Russian government as a present. When the Russians send the dog to a veterinary, British intelligence must get to the dog first and retrieve the spying device.
Dr. Francis Trevelyan
Princess Natasha Romanova
Stanley Farquhar
Wrigley
British Ambassador
Pond-Jones
Russian Prime Minister
M.I.5 Director
Elsie Farquhar
Russian Intelligence Chief
American General
Braithwaite
Mrs. Winters
Mrs. Whitby
Miss Marchbanks
M.I.5 Workshop Director
Commissionaire
Professor
Harold Wilson (voice)
Lady Blanchflower
