King is first known to soap opera fans as Danny Roberts on Loving in 1999 and The City until the series was went off the air in March 1997. He had the starring role in the series "Timecop" on ABC in the fall of 1997. He was on the series Charmed as Inspector Andy Trudeau from 1998 to 1999. In 2002, King returned to soaps operas as Luis Alcazar on General Hospital for a few months until his character was killed on the series. In 2003, he returned to General Hospital as Luis' twin brother, Lorenzo Alcazar.