Question: Who starred in a film about a young engaged couple on a sea cruise, with the woman being implicated in the death of her former lover, and also became an American citizen in 1942?
Sentence (from "Cary Grant"): Cary Grant (born Archibald Alec Leach; January 18, 1904 – November 29, 1986) was a British-American actor, known as one of classic Hollywood's definitive leading men.
Relevant evidence: No