
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 Senator Patrick Darling on the ABC drama Dirty Sexy Money (2007–2009), Justice League: Crisis on Two Earths (2010), and was a regular guest on Gossip Girl as William van der Woodsen and Parenthood as Gordon Flint. He also starred as lead detective Brian Albert in the Lifetime Original Movie The Craigslist Killer. He is brother to actors Alec Baldwin, Stephen Baldwin, and Daniel Baldwin. He is married to singer Chynna Phillips (Wilson Phillips) and they have 3 children.

30 Rock
TV • 2006

Saturday Night Live
TV • 1975

Hawaii Five-0
TV • 2010

Real Time with Bill Maher
TV • 2003

Jimmy Kimmel Live!
TV • 2003

Hot in Cleveland
TV • 2010

Gossip Girl
TV • 2007

Late Night with Conan O'Brien
TV • 1993

LIVE with Kelly and Mark
TV • 1988

Hollywood Squares
TV • 1998

MacGyver
TV • 2016

Parenthood
TV • 2010

The Reichen Show
TV • 2005

Celebrity Ghost Stories
TV • 2009

The Purge
TV • 2018

The Celebrity Apprentice
TV • 2004

Born on the Fourth of July
MOVIE • 1989

Insatiable
TV • 2018