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