As one-half of an outlaw couple (the other half being Rooney Mara) in director David Lowery's "Ain't Them Bodies Saints," Casey Affleck takes on yet another criminal role following turns in such relatively recent films as Andrew Dominik's "The Assassination of Jesse James by the Coward Robert Ford" and Michael Winterbottom's "The Killer Inside Me" (in which he played a violently sociopathic lawman).

To get the skinny on his latest project HitFix caught up with the actor at the film's Sundance premiere this weekend, and in the process we learned that despite the general outlines of the plot this is no typical "Bonnie and Clyde"-style crime flick. He also took a moment to speak about the recent success of older brother Ben, whose "Argo" just earned an Oscar nomination for Best Picture.

Also stopping to speak with us was director Lowery, who discussed the nuanced performances of his cast (which also includes "Contraband" thesp Ben Foster) as well as the role he played in another film debuting at this year's festival, director Shane Carruth's "Upstream Color."

Check out the videos above and below for the full interviews.

The Sundance Film Festival runs through January 27.

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