The Secret Adversary
- annos singulos: 1983
- Patriam: United Kingdom
- genus: Comedy, Mystery, TV Movie
- Studio: ITV, LWT
- keyword: london, england, countryside, based on novel or book, childhood friends, spy ring
- Director: Tony Wharmby
- cast: Francesca Annis, James Warwick, Gavan O'Herlihy, Alec McCowen, Honor Blackman, Peter Barkworth