The Silent One
Hitchcock himself is finally rivalled.
2/10/1973
Imdb: tt0069270
Tmdb: 70928
Popularity: 8.685
Vote: 7.163/10 (43)

Who is Anton Haliakov, who has just been abducted by the M.I.5 in London? A Soviet scientist apparently. But sixteen years before the man had another identity, Clément Tibère, and another nationality, French. So what led him to become Russian and to change identity? And why are the British secret services interested in him?