The Whistle Blower is a 1986 British spy thriller film directed by Simon Langton and starring Michael Caine, James Fox, Nigel Havers, Felicity Dean, John Gielgud, Kenneth Colley, Gordon Jackson, David Langton, and Barry Foster. It is based on the 1984 novel of the same name by John Hale.

Nigel Allan Havers is an English actor and presenter. His film roles include Lord Andrew Lindsay in the 1981 British film Chariots of Fire, which earned him a BAFTA nomination; as Dr. Rawlins in the 1987 Steven Spielberg war drama Empire of the Sun; and as Ronny in the 1984 David Lean epic A Passage to India. Television roles include Tom Latimer in the British TV comedy series Don't Wait Up and Lewis Archer in Coronation Street, between 2009 and 2019.