Ben Esler (born 1982)[1] is an Australian actor and screenwriter, best known for playing Sean McGinnes in the AMC television series Hell on Wheels, as well as for his role as war hero Chuck Tatum in HBO's The Pacific.

Esler is a writer and cast member of the 2023 NatGeo and Disney+ series A Small Light which tells the story of Miep Gies, the young woman who protected Anne Frank and her family during the Shoah.

[1] In 2010 Esler appeared in HBO's Tom Hanks, Gary Goetzman and Steven Spielberg-produced and Emmy Award-winning miniseries The Pacific as Private First Class Charles "Chuck" Tatum.

[2] He was a series regular for the first three seasons of Hell on Wheels, a Western focusing on the construction of the transcontinental railroad, on AMC,[3] Esler appeared in the role of Sean, an Irish immigrant and ruthless businessman, seeking his fortune in the American West.

In 2017 Esler was a regular cast member in Welcome to OxBlood; a pilot from Executive Producer Marc Cherry and ABC, portraying the role of Hollis; "a shy, sweet and very odd guy taking care of his wheelchair-bound deaf grandmother who has no idea her grandson kidnaps women and keeps them prisoner in her attic.