Francis Trevelyan
Princess Natasha Romanova
Stanley Farquhar
Wrigley
British Ambassador
Pond-Jones
Russian Prime Minister
Director of M.I.5
Elsie Farquhar
Russian Intelligence Chief
Man with Aston Martin
American General
Belly Dancer
Braithwaite
Butler
Nightclub Hostess
'Ark' Assistant
'Ark' Nurse
Farquhar's Child
Farquhar's Child (as Steven Morley)
Lady Warburton
Mrs. Winters
Miss Marchbanks
Air Hostess
Lift Attendant
Policeman
M.I.5 Workshop Director
Agent in Water Wagon
Commissionaire
Man in Lobby at Royal Garden Hotel (uncredited)
Professor (uncredited)
Man Viewing Dogs at the Ark (uncredited)
Armed Agent in Water Wagon (uncredited)
Harold Wilson (voice) (uncredited)
Lady In Lift (uncredited)
Reporter (uncredited)
(uncredited)
Airline Passenger (uncredited)
Lady Blanchflower (uncredited)
Gent Congratulating Trevelyan (uncredited)
Woman in Lobby at Royal Garden Hotel (uncredited)
Mrs. Whitby (uncredited)
Zookeeper (uncredited)