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