'Terminator 3: Rise of the Machines' star Nick Stahl has gone missing - less than one week after leaving rehab. The 32-year-old actor - who has a history of drug abuse - checked out of a Californian treatment facility last week against doctors' orders and now he hasn't been seen for the past four days. His wife, Rose Murphy Stahl, said: 'He's been missing for four days. But I don't want to comment any further.' His friends and family noticed he was missing last week after he failed to return to his friend's home. A source said: 'Now he's disappeared. We can't find him anywhere. He has not made contact with anyone. We are all just desperately looking for...