The Third Wheel

Peter Killian Gallagher is an American actor, musician and writer. Since 1980, Gallagher has played many roles in numerous Hollywood films. He starred as Sandy Cohen in the television drama series The O.C. from 2003 to 2007. He currently appears in a recurring role on the USA Network drama Covert Affairs as CIA Clandestine Services Director Arthur Campbell...(Wikipedia)

Credits include: Mr. and Mrs. Smith, Jennifer's Body, Shazam!, Ready or Not and Seeking a Friend for the End of the World

Credits include: The Sixth Sense, Notting Hill, Lost and Delirious, Assassination of a High School President and Spree

Credits include: Swordfish, Hercules, Good Night, and Good Luck, Shooter and Manchester by the Sea

Credits include: 88 Minutes, Junebug, Batman: Year One, Gotham and The O.C.

Credits include: Just My Luck, Stay Alive, It's a Boy Girl Thing, Resurrection and Terror on the Prairie

Credits include: The Animatrix, Spawn, Return of the Living Dead III, The O.C. and Matriculated

Credits include: Just My Luck, The Butterfly Effect 3: Revelation, The O.C., Shark Night 3D and Alpha and Omega

Credits include: Assassins, 187, The Gate, Candyman: Farewell to the Flesh and The O.C.

Credits include: Jumper, The Last Kiss, The To Do List, The O.C. and Waiting for Forever