A surgeon operating on an unknown patient discovers that he is involved in the kidnapping of a British diplomat. After his personal secretary is murdered for revealing the patient's identity the police are called in.
The Monthly Film Bulletin called it an "energetic yet improbable figure with too many points left unexplained".[4]
TV Guide concluded that "this film is hard to swallow, but the non-stop action helps cover up the gaping holes in the plot",[5] and a writer for Filmink asserted that "it's crisply done".[6]
A profile of the director in Film Comment called the film "perhaps the first example of prime Guillermin ... a 70-minute programmer so tautly directed that every image counts, every detail matters, every actor's movement feels perfectly timed – a true gem."[7]
^Pratt, Vic; Lees, Kate (2020). "CHAPTER 3 EARLY DAYS WITH ADELPHI FILMS". In Guillermin, Mary (ed.). John Guillermin: The Man, The Myth, The Movies. Precocity Press. p. 45.
^OPERATION DIPLOMAT
Monthly Film Bulletin; London Vol. 21, Iss. 240, (Jan 1, 1954): 11.
