An American actor, born and raised in the Los Angeles waterfront town of San Pedro, California, the son of Deanna and William Patrick Muldoon II, a personal injury and maritime attorney. He has Irish and Croatian ancestry. His parents’ artistic backgrounds, in painting, writing, and music, induced the same appetites in their son, as well as athletics. He played college football for the U.S.C. Trojans and has two Rose Bowl rings.