Special Guest Stars Carlos Valdés as Cisco Ramon Guest Stars Casper Crump as Vandal Savage Stephanie Corneliussen as Valentina Vostok Joseph David-Jones as John Diggle Jr. Nick Gracer as Yuri the Bear Co Starring Voytek Skrzeta as Mikhail Arkadin Raresh DiMofte as Yard Guard Alexander Mandra as Tunnel Prison Guard Andre Tricoteux as Boris George Klimovich as Anatoly Knyazev Frank C. Turner as Ancient Prisoner Bojan Dulabic as Burly Guard