Peter Killian Gallagher (born August 19, 1955) is an American actor, musician, and writer. Since 1980, Gallagher has played 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.
Gallagher was born in New York City, New York. His mother, Mary Ann (n...
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Peter Killian Gallagher (born August 19, 1955) is an American actor, musician, and writer. Since 1980, Gallagher has played 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.
Gallagher was born in New York City, New York. His mother, Mary Ann (née O'Shea), was a bacteriologist, and his father, Thomas Francis Gallagher II, was an advertising executive. He is of Irish Catholic background and was raised in Armonk, New York. Gallagher graduated from Tufts University, where he had been active in theater, appearing in such shows as Stephen Sondheim's Company and singing with the all-male a cappella group the Beelzebubs.
Gallagher's debut movie performance was as one of the co-stars in the 1980 movie, The Idolmaker.
Gallagher appeared on Broadway with Glenn Close in Tom Stoppard's The Real...
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