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 Frank C. Turner as Ancient Prisoner George Klimovich as Anatoly Knyazev Bojan Dulabic as Burly Guard Alexander Mandra as Tunnel Prison Guard Andre Tricoteux as Boris Uncredited Jordan Davis as Chronos
