Mark Ruffalo to join DiCaprio on Shutter Island.

Reuters is reporting that Mark Ruffalo will be joining Leonardo DiCaprio in Martin Scorsese’s film version of Dennis Lehane’s Shutter Island.

Ruffalo will be playing Chuck Aule, a Federal Marshall that accompanies his new partner Teddy(DiCaprio) to Shutter Island. The island is home to Ashecliffe Hospital for the Criminally Insane. They are there to investigate the disappearance of a murderess with ties to Teddy’s past.

Ruffalo has recently appeared in Zodiac and Reservation Road and is currently filming The Brothers Bloom.