Raised in Lake Stevens, Washington, Pratt was waiting tables at the Bubba Gump Shrimp Company restaurant in Maui, Hawaii when he was discovered by actor-director Rae Dawn Chong; she cast him in the horror film Cursed Part 3. He joined the cast of The O.C. for its fourth season, playing Ché, an activist and Summer Roberts' best friend while attending Brown University. He dated Everwood co-star Emily VanCamp, who portrayed his character's sister. He married actress Anna Faris on July 9, 2009.