· Gemma Arterton como Rebecca Shafran. . · Ben Affleck como Ivan Block. Princeton grad student Richie (Justin Timberlake), believing he's been swindled, travels to Costa Rica to confront online gambling tycoon. Princeton grad student Richie (Justin Timberlake), believing he's been swindled, travels to Costa Rica to confront online gambling tycoon Ivan Block (Ben. Justin Timberlake arrives at the world premiere of Runner Runner at Planet Hollywood Resort & Casino on September 18, in Las Vegas, Nevada. · Anthony Mackie como Agente Zbysko. Justin Timberlake · Richie Furst Argumento. Justin Timberlake como Richie Furst. Justin Timberlake and Ben Affleck star in this high-stakes crime thriller where the lure of easy money is the riskiest bet of all. Princeton grad student Richie, believing he's been swindled, travels to Costa Rica to confront online. · David Costabile. Editar.