Suspicion is a 1941 romantic psychological thriller film noir directed by Alfred Hitchcock, and starring Cary Grant and Joan Fontaine as a married couple. It also features Sir Cedric Hardwicke, Nigel Bruce, Dame May Whitty, Isabel Jeans, Heather Angel, and Leo G. Carroll. Suspicion is based on Francis Iles's novel Before the Fact (1932).

William Nigel Ernle Bruce was a British character actor on stage and screen. He was best known for his portrayal of Dr. Watson in a series of films and in the radio series The New Adventures of Sherlock Holmes, starring with Basil Rathbone as Sherlock Holmes in both. Bruce is also remembered for his roles in the Alfred Hitchcock films Rebecca and Suspicion, as well as the Charlie Chaplin film Limelight and the original Lassie film Lassie Come Home.