Parker Posey Battling Lyme Disease

'Best in Show' and 'Waiting for Guffman' actress Parker Posey has left an upcoming off-Broadway play due to health concerns.

Posey's developing case of Lyme disease has forced her to step away from a lead role in the play This, says the Associated Press.

Posey, 40, has also appeared in films such as a 'A Mighty Wind' and 'Superman Returns.'