The 69-year-old actor spoke about Barton, who was his co-star in “The O.C.,” revealing the level of fame she was dealing with at an early age “can kill you.” Barton, now 38, was just 16 ...

including Peter, Seth Cohen (Adam Brody) and Kirsten Cohen (Kelly Rowan). (Spoiler alert!) However, Barton's character didn't return for season four, as Marissa was killed in a car crash in the ...

Kristina Bumphrey/Variety/Getty; Dimitrios Kambouris/Getty To say that Peter Gallagher is protective over Mischa Barton is an understatement. Gallagher, 69, starred as Sandy Cohen on The O.C ...

From Wikipedia, the free encyclopedia. Peter Thomas Barton (born July 19, 1956) is an American actor. He was a graduate of Valley Stream North High School, where he played soccer and wrestled.

including Peter, Seth Cohen (Adam Brody) and Kirsten Cohen (Kelly Rowan). (Spoiler alert!) However, Barton’s character didn’t return for season four, as Marissa was killed in a car crash in ...