| THETHIRDMAN | Film long sought by British intelligence |
| NORTHWEST | Passage long sought by Europeans |
| ANASTASIA | Long-sought duchess |
| MISSINGLINK | Long-sought evolutionary connection |
| SPY | Purdey in The New Avengers. played by Joanna Lumley, was this kind of British Intelligence agent (3) |
| EVEPOLASTRI | Fictional British intelligence agent, created by Luke Jennings, featured in the 2018 novel Codename Villanelle (3,8) |
| BRAINPOWER | Key ruling on British intelligence |
| BOND | James ___ (fictional British intelligence agent) |
| PHILBY | Kim, British intelligence officer and Soviet spy (6) |
| SIS | British intelligence (3) |
| GCHQ | Listening station of the British intelligence service (inits)(4) |
| ASIS | American and British Intelligence no different |
| NOELCOWARD | Playwright and actor, born 1899, who worked on behalf of British Intelligence during World War II (4,6) |
| INHIBIT | Restrict interest about who is regularly meeting heads of British Intelligence (7) |
| KIMPHILBY | Member of British intelligence who worked as a spy for the Soviet Union in the 1930s, '40s and '50s (3,6) |
| VERAATKINS | Romanian-born British intelligence officer in the Special Operations Executive (1941-45) (4,6) |
| LASHANA | With 33-Across: she will play the British intelligence officer tasked with finding and eliminating 10-Across |
| OSCARS | Large vehicles sought by film stars? (6) |
| ANDFORTUNE | Sought by the ambitious celebrity with 28 eg, by one in Paris (4,3,7) |
| FAME | Sought by the ambitious celebrity with 28 eg, by one in Paris (4,3,7) |
