Happy Ever after is a 1954 British comedy film directed by Mario Zampi and starring David Niven, Yvonne De Carlo, Barry Fitzgerald and George Cole. Its plot concerns the accidental death of an Irish landowner who bequeaths his estate to his cousin. It was released in the United States under the title Tonight's the Night.

James David Graham Niven was a British actor, soldier, memoirist, and novelist. Niven was known as a handsome and debonair leading man in Classic Hollywood films. He received an Academy Award and a Golden Globe Award.