Sean Penn is known for his roles as as _Glendon Wasey in the movie "Shanghai Surprise (1986)", as David Kleinfeld in "Carlito's Way (1993)", as Matthew Poncelet in "Dead Man Walking (1995)", as Samuel John "Sam" Dawson in "I Am Sam (2001)", as James "Jimmy" Markum in "Mystic River (2003)", as Paul Rivers in "21 Grams (2003)", as Harvey Milk in "Milk (2008)", as Joseph Wilson in "Fair Game (2010)" and as Sean O'Connell in "The Secret Life of Walter Mitty (2013)".

Other movies he appeared in are "Hellinger's Law (1981)", "The Killing of Randy Webster (1981)", "Taps (1981)", "Fast Times at Ridgemont High (1982)", "Bad Boys (1983)", "Risky Business (1983)", "Summerspell (1983)", "Crackers (1984)", "Racing with the Moon (1984)", "The Falcon and the Snowman (1985)", "At Close Range (1986)", "Colors (1988)", "Judgement in Berlin (1988)", "Casualties of War (1989)", "We're No Angels (1989)", "State of Grace (1990)", "Loved (1997)", "She's So Lovely (1997)", "U Turn (1997)", "The Game (1997)", "Hugo Pool (1997)", "Hurlyburly (1998)", "The Thin Red Line (1998)", "Sweet and Lowdown (1999)", "Up at the Villa (2000)", "Before Night Falls (2000)", "The Weight of Water (2000)", "I Am Sam (2001)", "Pauly Shore Is Dead (2003)", "It's All About Love (2003)", "The Assassination of Richard Nixon (2004)", "The Interpreter (2005)", "All the King's Men (2006)", "What Just Happened (2008)", "Fair Game (2010)", "The Tree of Life (2011)", "Gangster Squad (2013)" and "The Gunman (2015)".

Some TV shows he appeared on are "Little House on the Prairie", "Barnaby Jones", "Friends" and "Two and a Half Men".

He won the Academy Award for Best Actor twice, for his role as Jimmy Markum in the movie "Mystic River (2003)" and for his role as Harvey Milk in "Milk (2008)".

Happy Birthday!