The actor stepped in after Brooke Mueller's parents refused to help.
They are said to be furious she has gone back to drugs.
Actress Mueller, 34, was arrested in the ski resort of Aspen, Colorado.
Cops found 4g of cocaine in her purse and she was charged with possession with intent to supply. She faces up to ten years in jail.
She has twin sons with Sheen, 46, who has had his own drug battles.
