While you likely have an opinion on Ben Affleck being tapped to play Bruce Wayne/Batman in Zack Snyder's Man of Steel sequel, you may have overlooked his participation in Brad Furman's upcoming gambling thriller, Runner Runner.  He looks comfortable playing a billionaire on his yacht in this first clip, which features Affleck and Justin Timberlake dabbling in a financial planning conversation of sorts.  This relatively early scene sets up the relationship between Affleck's entrepreneur and Timberlake's poor college student that likely intensifies throughout the picture.  Check out Steve's interview with Timberlake here for more on Runner Runner.

Also starring Gemma Arterton, Anthony Mackie, David Costabile, Ben Schwartz and Oliver Cooper, Runner Runner opens October 4th.  Hit the jump to watch the first clip.

Check out the first clip from Runner Runner below (via Yahoo!):

Here’s the official synopsis for Runner Runner:

Princeton grad student Richie, believing he’s been swindled, travels to Costa Rica to confront online gambling tycoon Ivan Block. Richie is seduced by Block’s promise of immense wealth, until he learns the disturbing truth about his benefactor. When the FBI tries to coerce Richie to help bring down Block, Richie faces his biggest gamble ever: attempting to outmaneuver the two forces closing in on him.

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