Leonardo DiCaprio is an American actor, producer, and environmental activist born on November 11, 1974, in Los Angeles, California.[2][9] He began his career as a child actor in the late 1980s, appearing in television commercials, educational films, and shows like *Parenthood* (1990), before making his film debut in the low-budget horror *Critters 3* (1991).[2][4][6] DiCaprio earned critical acclaim and his first Academy Award nomination for Best Supporting Actor as a developmentally disabled teenager in *What's Eating Gilbert Grape* (1993), opposite Johnny Depp.[1][2][3] He achieved international stardom with starring roles in *Romeo + Juliet* (1996) and the blockbuster *Titanic* (1997), which became the highest-grossing film at the time and sparked "Leo-Mania."[1][2][3][6] Following a brief career lull with films like *The Man in the Iron Mask* (1998) and *The Beach* (2000), he rebounded with versatile performances in *Catch Me If You Can* (2002), *Gangs of New York* (2002), and frequent collaborations with director Martin Scorsese, including *The Aviator* (2004), *The Departed* (2006), *Shutter Island* (2010), *Inception* (2010), *Django Unchained* (2012), *The Wolf of Wall Street* (2013), and *Once Upon a Time in Hollywood* (2019).[2][3][4][5] His portrayals in *The Revenant* (2015) won him the Academy Award for Best Actor, along with BAFTA, Golden Globe, Critics' Choice, and SAG Awards, marking a career pinnacle after six nominations.[1][2][3] DiCaprio founded Appian Way Productions, producing films and documentaries like *Before the Flood* (2016) on climate change, and serves as a United Nations Messenger of Peace for environmental causes.[1][2] Recent roles include the crime drama *Killers of the Flower Moon* (2023) and *One Battle After Another* (2025), underscoring his ongoing prominence in Hollywood.[2][4] He continues producing environmental projects, such as *Path of the Panther* (2022).[5]