Robert Downey Jr. made his film debut at the age of five in his father's film 'Pound' (1970), directed by Robert Downey Sr.
He was nominated for an Academy Award for Best Actor for his portrayal of Charlie Chaplin in the 1992 film 'Chaplin,' which remains one of his most acclaimed performances.
Downey's father introduced him to drugs at a young age, leading to a long battle with addiction that nearly derailed his career in the late 1990s and early 2000s.
He made a remarkable comeback in the mid-2000s, with his role as Tony Stark/Iron Man in 2008 marking the beginning of his resurgence in Hollywood.
Downey is known for his quick wit and improvisational skills, often ad-libbing lines in his films, especially in the Marvel Cinematic Universe.
He has studied martial arts, including Wing Chun Kung Fu, which he credits with helping him overcome his addictions and stay focused.
Robert Downey Jr. was the highest-paid actor in Hollywood for three consecutive years (2013-2015), largely due to his work in the Marvel films.
He has a deep love for music and released a jazz album in 2004 titled 'The Futurist,' where he showcased his singing and piano-playing talents.
Downey was considered for the role of Anakin Skywalker in 'Star Wars: Episode II - Attack of the Clones,' but the part ultimately went to Hayden Christensen.
He has been married to producer Susan Levin since 2005, and the couple has two children together. Downey credits her with helping him turn his life around.
Robert Downey Jr. has a close friendship with director Jon Favreau, who cast him as Tony Stark in 'Iron Man,' a decision that played a significant role in revitalizing his career.
He was known for his comedic timing on 'Saturday Night Live,' where he was a cast member during the 1985-1986 season.
Downey's portrayal of Tony Stark/Iron Man has made him one of the most recognizable and beloved characters in pop culture, influencing a generation of fans.
He is a philanthropist and supports various charities, including those focused on cancer research, children's hospitals, and environmental conservation.
Despite his success, Downey remains humble about his journey and often speaks openly about his struggles and the importance of resilience and redemption.