Keith Richards sparked fears for his health after slurring his way through an acceptance speech.
The Rolling Stones rocker - who picked up the prize for Best Cameo at Spike TV's Scream 2007 awards for his performance in "Pirates of the Caribbean: At World's End" - rocked back and forth as he mumbled his thanks to fans and co-star Johnny Depp in a pre-recorded video message.
Keith, 63, said, "Thank you all fans voting for me in, you know. It's a first - it's not my land, usually, to do this sort of stuff, but due to enormous public pressure. I've got to say thank you very, very, much and also to Johnny - who insisted that I play his father."
He added, "We had a great time and it was a wonderful thing. Driving into the Disney studios, I laughed. God, at last I'm working for Mickey Mouse."
It has now emerged Keith's slurred speech - which had the audience at the glitzy Los Angeles ceremony on Friday in hysterics - could be a side effect of the medication he takes daily to prevent seizures.
The guitarist has taken the powerful drug Dilantin - which slows down nerve impulses in the brain - every day since undergoing brain surgery after he fell out of a coconut tree in Fiji 18 months ago.
Keith - a former heroin addict - has previously joked taking Dilantin means he has to limit his intake of illegal substances. He said, "The drug I'm on now because of the brain job, Dilantin, means you can't take cocaine any more, which is fine with me."
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