Princeton grad student Richie, believing he's been swindled, travels to Costa Rica to confront online. · Gemma Arterton como Rebecca Shafran. Princeton grad student Richie (Justin Timberlake), believing he's been swindled, travels to Costa Rica to confront online gambling tycoon. · Ben Affleck como Ivan Block. · Anthony Mackie como Agente Zbysko. Princeton grad student Richie (Justin Timberlake), believing he's been swindled, travels to Costa Rica to confront online gambling tycoon Ivan Block (Ben. · David Costabile. 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. . Justin Timberlake · Richie Furst Argumento. Justin Timberlake arrives at the world premiere of Runner Runner at Planet Hollywood Resort & Casino on September 18, in Las Vegas, Nevada. Editar.