Defence of the Realm
- Vuosi: 1986
- Maa: United Kingdom
- Genre: Toiminta, Trilleri
- Studio: Enigma Productions, The Rank Organisation, National Film Finance Corporation (NFFC)
- Avainsana: kgb, reporter, death, newspaper man, member of parliament
- Johtaja: David Drury
- Heittää: Gabriel Byrne, Greta Scacchi, Denholm Elliott, Ian Bannen, Fulton Mackay, Bill Paterson