Date of Birth : 19 August 1955
Birth Name : Peter Killian Gallagher
Height : 5' 9" (1.75 m)
Peter Killian Gallagher (born August 19, 1955) is an American actor, musician and writer. Since 1980, Gallagher has played many roles in numerous Hollywood films. He starred as Sandy Cohen in drama The O.C. from 2003 to 2007.