| First Name | William |
| Last Name | Baldwin |
| Full Name at Birth | William Baldwin |
| Other Names | Will |
| Age | 48 |
| Date of Birth | February 21, 1963 |
| Birthplace | Massapequa, Long Lsland, New York USA |
| Height | 6' 1" (185 cm) |
| Build | Average |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Distinctive Features | Slicked Backed Sided Hair |
| Star Sign | Pisces |
| Ethnicity | White |
| Nationality | American |
| University | BS Political Science, SUNY Binghamton |
| Occupation | Actor |
| Occupation Category | Actor |
| Claim to Fame | Backdraft |
| Official Website | imdb.com |
| Father | Alexander Rae Baldwin Jr |
| Mother | Carol M. Baldwin |
| Brother(s) | Alec BaldwinStephen BaldwinDaniel Baldwin |
| Sister(s) | Jane SassoElizabeth Keuchler |
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 in the TV drama Dirty Sexy Money (2007–2009) on ABC, Justice League: Crisis on Two Earths (2010), and now Baldwin is currently a regular guest on Gossip Girl as William van der Woodsen and Parenthood as Gordon Flint. Billy's most recent role was as lead detective Brian Albert in the Lifetime Original Movie The Craigslist Killer.
Selected William Baldwin film and TV show credits: