TV Guide: William Petersen

CSI: Crime Scene Investigation - Season 9, "One to Go" - William Petersen as Grissom, Jorja Fox as Sara

CSI Crime Scene Investigation, William Petersen, Jorja Fox

CSI: Crime Scene Investigation - Season 9, "One to Go" - William Petersen as Grissom

CSI, CSI Crime Scene Investigation, William Petersen

CSI: Crime Scene Investigation - Season 9, "One to Go" - William Petersen as Grissom

CSI, CSI Crime Scene Investigation, William Petersen

CSI: Crime Scene Investigation - Season 9, "One to Go" - William Petersen as Grissom, Laurence Fishburne as Dr. Raymond Langston

CSI, CSI Crime Scene Investigation, William Petersen, Laurence Fishburne

CSI: Crime Scene Investigation - Season 9, "19 Down" - Laurence Fishburne as Dr. Raymond Langston, William Petersen as Grissom

courtesy Sonja Flemming/CBS — Thu, 11 Dec 2008 21:00:00 -0500

CSI, Crime Scene Investigation, Laurence Fishburne, William Petersen

CSI: Crime Scene Investigation - "19 Down" - The CSI team Eric Szmanda, George Eads, William Petersen, Lauren Lee Smith and Marg Helgenberger

courtesy Adam Taylor/CBS — Wed, 10 Dec 2008 23:00:00 -0500

CSI, William Petersen, Eric Szmanda, George Eads, Lauren Lee Smith, Marg Helgenberger

CSI: Crime Scene Investigation - Season 9, "Young Man with a Horn" - William Petersen as Grissom

courtesy Cliff Lipson/CBS — Thu, 04 Dec 2008 20:00:00 -0500

CSI, Crime Scene Investigation, William Petersen

CSI: Crime Scene Investigation - Season 9, "Woulda, Coulda, Shoulda" - William Petersen as Grissom, guest star Joshua Malina as D.A. Monroe

courtesy Sonja Flemming/CBS — Thu, 20 Nov 2008 20:30:00 -0500

CSI, Crime Scene Investigation, William Petersen, Joshua Malina

CSI: Crime Scene Investigation - Season 9, "Woulda, Coulda, Shoulda" - William Petersen as Grissom, Jessica Collins as Natalie Davis

courtesy Sonja Flemming/CBS — Thu, 20 Nov 2008 20:00:00 -0500

CSI, Crime Scene Investigation, William Petersen, Jessica Collins

CSI: Crime Scene Investigation - Season 9, "Say Uncle" - William Petersen as Grissom, Robert David Hall as Dr. Albert Robbins

courtesy Monty Brinton/CBS — Thu, 13 Nov 2008 20:00:00 -0500

CSI, Crime Scene Investigation, William Petersen, Robert David Hal

CSI: Crime Scene Investigation - Season 9, "Leave Out All the Rest" - Melinda Clarke as Lady Heather, William Petersen as Grissom

courtesy Sonja Flemming/CBS — Thu, 06 Nov 2008 20:30:00 -0500

CSI, Crime Scene Investigation, Melinda Clarke, William Petersen

CSI: Crime Scene Investigation - Season 9, "Leave Out All the Rest" - Melinda Clarke as Lady Heather, William Petersen as Grissom

courtesy Sonja Flemming/CBS — Thu, 06 Nov 2008 20:15:00 -0500

CSI, Crime Scene Investigation, Melinda Clarke, William Petersen

CSI: Crime Scene Investigation - Season 9, "Leave Out All the Rest" - Melinda Clarke as Lady Heather, William Petersen as Grissom

courtesy Sonja Flemming/CBS — Thu, 06 Nov 2008 20:00:00 -0500

CSI, Crime Scene Investigation, Melinda Clarke, William Petersen

CSI: Crime Scene Investigation - Season 9, "Art Imitates Life" - Robert David Hall as Dr. Robbins, William Petersen as Grissom

courtesy Monty Brinton/CBS — Wed, 22 Oct 2008 23:00:00 -0500

CSI, Crime Scene Investigation, Robert David Hall, William Petersen

CSI: Crime Scene Investigation - Season 9 Premiere, "For Warrick" - William Petersen as Grissom, Gary Dourdan as Warrick

courtesy Robert Voets/CBS — Wed, 08 Oct 2008 23:00:00 -0500

CSI, Crime Scene Investigation, William Petersen, Gary Dourdan

CSI: Crime Scene Investigation - Season 3 Finale, "For Gedda" - Gary Dourdan as Warrick, William Petersen as Grissom

courtesy Bill Inoshita/CBS — Thu, 15 May 2008 00:00:00 -0500

CSI, Crime Scene Investigation, Gary Dourdan, William Petersen

CSI: Crime Scene Investigation - Season 8, "Two and a Half Deaths" - David Berman as David Phillips, Katey Sagal guest stars as Annabelle Bundt/Natasha Steele, William Petersen as Grissom

courtesy Robert Voets/CBS — Thu, 08 May 2008 00:00:00 -0500

CSI, Crime Scene Investigation, David Berman, Katey Sagal, William Petersen

CSI: Crime Scene Invenstigation - "Drop's Out" - Captain Brass (Paul Guilfoyle), CSI Nick Stokes (George Eads) and Supervisor Gil Grissom (William Petersen) investigate two murders that take place in the same apartment building

courtesy Monty Brinton/CBS — Thu, 24 Apr 2008 00:00:00 -0500

CSI, Crime Scene Invenstigation

CSI: Crime Scene Invenstigation - "A Thousand Days on Earth" - Grissom (William Petersen) works with lab technicians Wendy Simms (Liz Vassey) and Hodges (Wallace Langham) to find clues to the cause of death of a 3-year-old girl

courtesy Monty Brinton/CBS — Thu, 10 Apr 2008 00:00:00 -0500

CSI, Crime Scene Invenstigation

CSI: Crime Scene Invenstigation - "A Thousand Days on Earth" - Grissom (William Petersen) searches for clues to the cause of death of a 3-year-old girl Thursday, April 10

courtesy Monty Brinton/CBS — Thu, 10 Apr 2008 00:00:00 -0500

CSI, Crime Scene Invenstigation

Sammy Sosa and Mandy Moore present Actor of the Year to William Petersen (center) at the 2003 GQ Men of the Year Awards

courtesy Kevin Mazur/WireImage.com

William Petersen, Sammy Sosa, Mandy Moore

Donald Sutherland presents award to William Petersen and Marg Helgenberger for "CSI: Crime Scene Investigation" at The 32nd Annual People's Choice Awards

courtesy Michael Caulfield/WireImage.com

William Petersen, Donald Sutherland, Marg Helgenberger

Jorja Fox, William Petersen, Marg Helgenberger and Gary Dourdan of "CSI: Crime Scene Investigation", winners for Outstanding Ensemble in a Drama Series - 2005

courtesy Jeff Vespa/WireImage.com

William Petersen, Marg Helgenberger, Gary Dourdan, Jorja Fox

William Petersen at The 63rd Annual Golden Globe Awards - 2006

courtesy Jeff Vespa/WireImage.com

William Petersen

William Petersen at the 3rd Annual "Feast of San Gennaro LA" Gala "Prima Notte"

courtesy John Sciulli/WireImage.com

William Petersen

William Petersen - 2004

courtesy Jesse Grant/WireImage.com

William Petersen

Presenters Marg Helgenberger and William Petersen backstage at The 54th Annual Primetime Emmy Awards - 2002

courtesy Steve Granitz/WireImage.com

William Petersen, Marg Helgenberger

William Petersen at the 54th Annual Emmy Awards - 2002

courtesy Steve Granitz/WireImage.com

William Petersen

William Peterson and Gina Cirone Petersonarrive at The 11th Annual Screen Actors Guild Awards - 2005

courtesy Jeff Vespa/WireImage.com

William Petersen

Marg Helgenberger and William Peterson - The 3rd Annual TV Guide Awards - 2001

courtesy Jeff Vespa/WireImage.com

William Petersen, Marg Helgenberger