<P> William Joseph `` Billy '' Baldwin ( born February 21 , 1963 ) is an American actor , producer and writer known for his starring roles in such films as Flatliners ( 1990 ) , Backdraft ( 1991 ) , Sliver ( 1993 ) , Fair Game ( 1995 ) , Virus ( 1999 ) , Double Bang ( 2001 ) , as Johnny 13 in Danny Phantom ( 2004 -- 2007 ) , Art Heist ( 2004 ) , The Squid and the Whale ( 2005 ) , as himself in Forgetting Sarah Marshall ( 2008 ) , as Senator Patrick Darling in the drama series Dirty Sexy Money ( 2007 -- 2009 ) , as Batman / Bruce Wayne on Justice League : Crisis on Two Earths ( 2010 ) , as William van der Woodsen on Gossip Girl until December 2012 , and as Gordon Flint on Parenthood . </P>
<P> William Joseph `` Billy '' Baldwin ( born February 21 , 1963 ) is an American actor , producer and writer known for his starring roles in such films as Flatliners ( 1990 ) , Backdraft ( 1991 ) , Sliver ( 1993 ) , Fair Game ( 1995 ) , Virus ( 1999 ) , Double Bang ( 2001 ) , as Johnny 13 in Danny Phantom ( 2004 -- 2007 ) , Art Heist ( 2004 ) , The Squid and the Whale ( 2005 ) , as himself in Forgetting Sarah Marshall ( 2008 ) , as Senator Patrick Darling in the drama series Dirty Sexy Money ( 2007 -- 2009 ) , as Batman / Bruce Wayne on Justice League : Crisis on Two Earths ( 2010 ) , as William van der Woodsen on Gossip Girl until December 2012 , and as Gordon Flint on Parenthood . </P>
who plays dr van der woodsen in gossip girl
who plays dr van der woodsen in gossip girl
William Joseph `` Billy '' Baldwin
William Joseph `` Billy '' Baldwin