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.
Laurence Harvey
as Dr. Francis Trevelyan
Daliah Lavi
as Princess Natasha Romanova
Lionel Jeffries
as Stanley Farquhar
Eric Sykes
as Wrigley
Eric Portman
as British Ambassador
Denholm Elliott
as Pond-Jones
Wanda Ventham
as Mrs. Winters
Marianne Stone
as Mrs. Whitby
June Whitfield
as Elsie Farquhar
Colin Blakely
as Russian Prime Minister
Robert Flemyng
as M.I.5 Director
Bernard Archard
as Russian Intelligence Chief
