Robert Downey Jr. – The Avengers

Robert Downey Jr. achieved critical success in his youth, but he battled addiction and legal issues along the way. Abiding by a court-ordered program, he got help and has been sober since 2003. He gained a new lease of life in the industry portraying Iron Man in the series of Marvel Cinematic Universe films.

Downey is equally known for appearances in Zodiac, Tropic Thunder, and Kiss Kiss Bang Bang. He has upcoming appearances in All-Star Weekend, The Sympathizer, and Sherlock Holmes 3. Now at 56, he decided to take better care of himself by going vegan. When announcing it in January 2020, Downey explained that it’s part of his efforts to reduce his carbon footprint.