Peter Gallagher stars as Sandy Cohen in the The O.C. on FOX.FOX/Michael Levine - Wednesday, September, 20, 2006, 8:20 PM

Premiere: Peter Gallagher and family at the New York premiere of Paramount's Mean Girls - 4/23/2004Theo Wargo, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Premiere: Peter Gallagher at the New York premiere of Paramount's Mean Girls - 4/23/2004Theo Wargo, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Premiere: Peter Gallagher at the New York premiere of Miramax's Gangs of New York - 12/9/2002Kevin Mazur/Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Peter Gallagher and wife Paula 77th Annual Academy Awards - Vanity Fair Party Hollywood, CA - 2/27/05Gregg DeGuire, WireImage.com - Monday, September, 25, 2006, 10:25 AM

Peter Gallagher Vanity Fair Party 76th Academy Awards - 2/29/2004Tony Barson, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Kelly Rowan and Peter Gallagher Fox's The O.C. Thursday, September, 21, 2006, 8:21 AM

Kelly Rowan and Peter Gallagher Fox's The O.C. Thursday, September, 21, 2006, 8:21 AM

Kelly Rowan, Rachel Bilson, Tate Donovan and Peter Gallagher Fox's The O.C. Thursday, September, 21, 2006, 8:21 AM

Peter Gallagher Fox's The O.C. Monday, September, 25, 2006, 10:25 AM

Peter Gallagher Teen Choice Awards - 7/2/2003Steve Granitz, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Peter Gallagher Teen Choice Awards - 7/2/2003Steve Granitz, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Peter Gallagher Teen Choice Awards - 7/2/2003Ray Mickshaw, Wireimage.com - Monday, September, 25, 2006, 10:25 AM

Peter Gallagher FOX's The O.C.Andrew Macpherson - Wednesday, September, 20, 2006, 8:20 PM

Peter Gallagher Fox's The O.C.Matt Barnes - Wednesday, September, 20, 2006, 8:20 PM

Peter Gallagher Fox's The O.C. Wednesday, September, 20, 2006, 8:20 PM

Peter Gallagher Fox's The O.C.Art Strieber - Wednesday, September, 20, 2006, 8:20 PM

Peter Gallagher Fox's The O.C.J. Viles - Wednesday, September, 20, 2006, 9:20 PM