Last Passenger

Dougray Scott(Hemlock Grove, Hitman, Dr. Who, Taken 3) plays a young doctor who finds himself on a train with his little son. The staff goes missing, then the train fails to stop at scheduled stations. Realizing they are in trouble the remaining passengers have to do something if they are to survive.

Snowpiercer

Snowpiercer is a story about a self sufficient super train that becomes the last survivable place on Earth for humanity.

With global warming going out of control scientists develop a strategy for reversing the warming effect, but something goes wrong and the effect goes out of control deep freezing the world and killing anyone.except the people on the train.  People on the train are divided by class with the lowest at the rear of the train. The low class people live in squallier. Conditions worsen and one man decides to act to help his people by leading them in rebellion.