Jamie Foxx's Double Takes His Place On Set Again While Actor Remains In Hospital

Jamie Foxx is still MIA for his latest flick, stuck in the hospital as doctors continue tests after his medical emergency ... and it appears producers of the film he was shooting are using a body double to complete it in his absence.

"Back In Action" is still going full steam ahead, with Jamie's costars Cameron Diaz and McKenna Roberts filming scenes with his double -- an actor named Chris.