威廉·皮特森参与的电影：
《 CSI: Crime Scene Investigation - Hard Evidence 》 (2007) ...Gilbert 'Gil' Grissom (as William L. Petersen)
《 CSI: 3 Dimensions of Murder 》 (2006) ...Gil Grissom (as William L. Petersen)
《第58届黄金时段艾美奖颁奖典礼 The 58th Annual Primetime Emmy Awards 》 (2006) ...Himself (as William L. Petersen)
《 CSI: Crime Scene Investigation - Dark Motives 》 (2004) ...CSI Head Investigator Gilbert 'Gil' Grissom (voice)
《 This Old Cub 》 (2004) ...Himself (as William L. Petersen)
《 "TV Land Moguls" 》 (2004) ...Himself (as William L. Petersen)
《 Blue Neon Night: Michael Connelly's Los Angeles 》 (2004) ...Narrator (as William L. Petersen)
《CSI美国犯罪现场鉴证 CSI: Crime Scene Investigation 》 (2003) ...Gil Grissom (voice)
《CSI美国犯罪现场鉴证 CSI: Crime Scene Investigation 》 (2003) ...co-executive producer
《第55届黄金时段艾美奖颁奖典礼 The 55th Annual Primetime Emmy Awards 》 (2003) ...Himself - Co-presenter: Outstanding Miniseries (as William L. Petersen)
《 CBS at 75 》 (2003) ...Himself (as William L. Petersen)
《 The GQ Men of the Year Awards 》 (2003) ...Himself (as William L. Petersen)
《 Counterfeit World: Making 'To Live and Die in L.A.' 》 (2003) ...Himself
《第54届黄金时段艾美奖颁奖典礼 The 54th Annual Primetime Emmy Awards 》 (2002) ...Himself
《浩劫天堂 Haven 》 (2001) ...Jackson Connolly
《 Wrigley Field: Beyond the Ivy 》 (2001) ...Himself (Narrator)
《政界风云/暗朝汹涌 The Contender 》 (2000) ...Gov. Jack Hathaway
《头骨俱乐部 The Skulls 》 (2000) ...Ames Levritt
《 "CSI: Crime Scene Investigation" 》 (2000) ...co-executive producer / producer / ... (67 episodes, 2000-2006)
《 "CSI: Crime Scene Investigation" 》 (2000) ...Gil Grissom (165 episodes, 2000-2007)
《天吻 Kiss the Sky 》 (1999) ...Jeff
《不论好坏 Rat Pack, The 》 (1998) ...John F. Kennedy
《 Staircase, The 》 (1998) ...Joad
《龙虎悍将 Gunshy 》 (1998) ...Jake Bridges
《十二怒汉 12 Angry Men 》 (1997) ...Juror #12
《ＣＩＡ惊世大行动 Mulholland Falls 》 (1996) ...Jack, Mafia Mobster (uncredited)
《致命的危机 Fear 》 (1996) ...Steve Walker
《 In the Kingdom of the Blind, the Man with One Eye Is King 》 (1995) ...Tony C.
《义胆双雄 Curacao 》 (1993) ...Stephen Guerin
《 "Return to Lonesome Dove" 》 (1993) ...Gideon Walker (as William L. Petersen)
《冤家斗冤家 Passed Away 》 (1992) ...Frank Scanlan
《 Hard Promises 》 (1991) ...Joey
《 Hard Promises 》 (1991) ...producer
《年轻枪手 2 Young Guns II 》 (1990) ...Pat Garrett
《 "The Kennedys of Massachusetts" 》 (1990) ...Joseph P. Kennedy (as William L. Petersen)
《亲亲表妹 Cousins 》 (1989) ...Tom
《 Long Gone 》 (1987) ...Cecil 'Stud' Cantrell
《无声的抗议 Amazing Grace and Chuck 》 (1987) ...Russell
《1987大悬案 Manhunter 》 (1986) ...FBI Agent Will Graham
《威猛奇兵 To Live and Die in L.A. 》 (1985) ...Richard Chance
《小偷 Thief 》 (1981) ...Katz & Jammer Bartender