Stoltz cast as 'Grey's' serial killer

Eric Stoltz is to play a sociopathic murderer in a Grey's Anatomy story arc spanning three episodes.

According to Entertainment Weekly, Stoltz - who has already directed two episodes of the show this season - will play a serial killer in need of medical care in a storyline that will raise questions over medical ethics.

Stoltz said that Grey's "is an embarrassment of riches" after directing an episode back in September. "It's the difference between driving a bus and riding a bike — and on that bus are 17 unbelievably talented people," he told TV Guide.

After making his appearance in the ABC medical drama, Stoltz will be preparing to star in Sci Fi's recently-greenlight Battlestar Galactica prequel Caprica.