Cullen Bohannon is a fictional character from the television series Hell on Wheels, which aired from 2011 to 2016. He is portrayed by actor Anson Mount and is depicted as a former Confederate soldier seeking revenge for the death of his wife during the American Civil War. Bohannon's journey takes him to the construction site of the Transcontinental Railroad, where he becomes involved with various characters and conflicts. Throughout the series, Cullen Bohannon grapples with his past while navigating the challenges of life in the American West. His character embodies themes of redemption, survival, and the struggle for justice in a rapidly changing society.