The fourth season of the AMC television series Hell on Wheels premiered on August 2, 2014 and comprised 13 episodes.

Common, who plays Elam Ferguson, is not credited among the main cast until his reappearance in the episode "Bear Man".

On November 14, 2013, AMC renewed Hell On Wheels for a fourth season, consisting of 13 episodes, which premiered August 2, 2014.

[3][4] Jake Weber joined the cast in April 2014, originally as a character named Harlan Fell, which was changed preseason to John Campbell.

[5] In May 2014, Jonathan Scarfe was cast as recurring character Sydney Snow, who introduced himself as Cullen Bohannon's old war friend.