The cast of Moneyball director Bennett Miller's next film, Foxcatcher, seems to be finally coming together. According to Deadline, Sienna Miller has just joined the film, which already boasts a rather impressive cast including Steve Carrell, Mark Ruffalo, and Channing Tatum. It's based on the real-life story of Jon duPont, the paranoid schizophrenic multimillionaire who, after opening a wrestling facility at his Foxcatcher Farm, murdered his friend, Olympic champion wrestler Dave Schultz.

Carrell will star as DuPont, Ruffalo as Schultz, Miller as Schultz's wife, and Tatum as Schultz's brother, Mark.

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[via Deadline]

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