Yuri is a Chechen prisoner who had been arrested while attempting to purchase mid-range nuclear missiles for Chechnya. He leads a prisoner group with Peter, rescues the injured Jessica, and helps her reach the surface. He later joins Robert and Jessica on the escape plane but falls to his death while ejecting the serpent.
A zoologist and Laura's ex-husband who secretly clones an extinct Pliosaurus. He manipulates locals to purchase the wetlands for his research, uses sonar to lure the creature, and is ultimately devoured by his own creation.
Salvage operator and first casualty on board, killed by electric voltage. His body later reappears as a phantom, fueling the team's supernatural visions and terror.
Mark Sheppard has 52 screen credits in a career dating back to 1991. Signature works include Ever After, Mysterious Island, Xtinction: Predator X. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
