Jon Cryer Has Charlie Sheen's Back

2/24/2010 7:14 PM PST

Jon Cryer Has Charlie Sheen's Back

Jon Cryer told the crew on the "Two and Half Men" set yesterday ... he's squarely behind Charlie Sheen.

Our sources say Cryer told a group of staffers, "The important thing is Charlie gets healthy."

As we first reported, Charlie was a no-show on the "Men" set on Monday and Tuesday. Our sources tell us Charlie decided it was in the best interest of the show -- and his pending court case -- to check himself into rehab.

Although we're told the plan is to resume taping two weeks from Monday, staffers are nervous about their jobs.