: Despite its "far-fetched" premise, the movie is largely faithful to the actual historical event where a fictional identity, "Captain William Martin," was created for a real body to carry out the ruse.

: It is described as a blend of high-level espionage, tense drama, and unexpected humor, offering a "richly human story" of soldiers working in the shadows.

: Critics have praised the high-quality performances, particularly the chemistry between Colin Firth and the supporting cast .

: The film features Ian Fleming (played by Johnny Flynn), the future creator of James Bond, who was part of the naval intelligence team that developed the plan. Critical & Audience Reception