'Terminator' Actor Nick Stahl Leaves Rehab Against Doctors' Advice

Just one month after checking himself into rehab, Nick Stahl has reportedly left.

A source tells E! News: "Nick left a week ago. He walked out against doctors' advice. He just didn't want to be there anymore... It is very sad."

OK! NEWS: NICK STAHL OFFICIALLY ENTERS REHAB

Very sad, indeed. The Terminator actor worried family and friends when he went missing for several days last May. His estranged wife, Rose, alerted the police. Nick eventually sent an e-mail assuring everyone that he was ok, and notifying them that wanted to seek treatment for an addiction to alcohol and drugs.

OK! NEWS: NICK STAHL REPORTED MISSING, ESTRANGED WIFE FILES REPORT

E! further reports that Nick was last seen a few days ago in downtown L.A., but his exact whereabouts at present are unknown.