BTS of Snowpiercer before visual effects:

Katie McGuinness (Josie) in Snowpiercer 2x10

Daveed Diggs (Andre Layton), Lena Hall (Miss Audrey), Mickey Sumner (Till), Sean Bean (Mr Wilford) and the Jackboots in Snowpiercer 2x10

Jennifer Connelly (Melanie Cavill) in Snowpiercer 1x10

Train scene from Snowpiercer 1x01

Avalanche hits the Train in Snowpiercer 1x02

Jennifer Connelly (Melanie Cavill) in Snowpiercer 2x01

Susan Park in Snowpiercer 1x01

Extinction scene in Snowpiercer 1x02

Jennifer Connelly (Melanie Cavill) in Snowpiercer 2x01

Daveed Diggs (Andre Layton) and Jennifer Connelly (Melanie Cavill) in Snowpiercer 1x04