Stop the train, I want to get off. Awful attempt at blending a political thriller with disaster movie shenanigans, Avalanche Express is also a sad end to the careers of Robert Shaw (Jaws/The Sting) and Mark Robson (The Seventh Victim/Bedlam). Both of whom died during the production. Plot essentially sees Shaw's Soviet official, Marenkov, defecting to the west whilst aiming to kill off his homeland's biological weapons programme in the process. Basically putting himself up as bait to flesh out the baddies, Marenkov is being protected by Lee Marvin's CIA agent Harry Wargrave and his pals. Cue…