Avalanche Express (1979)
CIA agent Harry Wargrave is sent to aid Gen. Marenkov, a senior Russian official, who is defecting to the west. Wargrave decides they should travel to safety on a train across Europe, the "Atlantic Express". During the journey, they must survive attacks by terrorists and an avalanche, all planned by Russian spy-catcher Nikolai Bunin. central intelligence agency (cia), espionage, locomotive, cold war, kgb, secret agent, double agent, mole, alps mountains, avalanche, spy thriller, soviet defector, passenger train, soviet agent