Sean Penn had an early interest in journalism, working as a correspondent for the "Santa Monica Evening Outlook" in the 1970s.
Sean Penn's film debut was in the 1981 movie "Taps," but his role as Cadet Captain Alex Dwyer was uncredited.
Sean Penn developed a close friendship with actor Christopher Walken during the filming of "At Close Range" (1986).
Sean Penn was the frontman of a rock band called "The Kid" and released an album titled "Cupid's Trick."
During Hurricane Katrina in 2005, Sean Penn traveled to New Orleans and used his own boat for rescue efforts to help stranded residents.
In 2009, Sean Penn announced a temporary break from acting to focus on humanitarian work in Haiti.
While preparing for his role in "The Gunman" (2015), Sean Penn met with notorious Mexican drug lord Joaquín "El Chapo" Guzmán.
Sean Penn is a published novelist & journalist, writing opinion pieces for major newspapers like the Chronicle and The Washington Post.
Penn co-founded the "Los Angeles-based Film Festival," which aims to showcase films with a social conscience.
Sean Penn has no interest in receiving a star on the Hollywood Walk of Fame, considering the accolade "meaningless."