Leonardo Wilhelm DiCaprio (born November 11, 1974) is an American actor and film producer whose career rose with his role in the television sit-com Growing Pains. His critically acclaimed breakthrough film performance came in This Boys Life (This Boys Life (film)), and was quickly followed by Whats Eating Gilbert Grape. His performance as the mentally handicapped brother of Gilbert (Johnny Depp), in the title role, brought him nominations for the Golden Globe and Academy Award for Best Supporting Actor.

He gained fame for his role as Jack Dawson (List of characters in Titanic (1997 film)#Jack Dawson) in Titanic (Titanic (1997 film)), and has starred in many other successful films including Romeo + Juliet, Catch Me If You Can, and Blood Diamond (Blood Diamond (film)), for which he was nominated for the Academy Award for Best Actor. Another Academy Award nomination came for his role as Howard Hughes in The Aviator, directed by Martin Scorsese. He has also worked with Scorsese in films such as Gangs of New York and The Departed. This working partnership brought comparison to the earlier working relationship between Scorsese and actor Robert De Niro, who also benefited from roles in Scorsese films early in his career.

DiCaprio has also been nominated two times for BAFTA, three times for SAG (Screen Actors Guild Awards), and seven Golden Globe Awards. He is a Golden Globe and a Silver Bear Award winner.