Louis Herthum (born July 5, 1956 in Baton Rouge, Louisiana) is an American actor and producer. He started his career as an actor in 1978, performing in local theater, local and regional TV commercials and print advertisements. Since then, he's gone on to become a reliable character actor best known for his performances in The Last Exorcism, True Blood, Longmire and most recently his scene-stealing turn in Westworld, a role which garnered such ecstatic critical and fan acclaim that he's been bumped up to a regular for Season 2.
Notable Roles
- 1982 The Toy as Man in Box (uncredited)
- 1989-1996 Murder, She Wrote as Wilber / Deputy Kruger / Deputy Andy Broom
- 1991 Columbo as Technician
- 1998 Vengeance Unlimited as Conner Gulch
- 2001-2003 JAG as Capt. Gilbert / Communications Officer
- 2006 Road House 2: Last Call as Deputy Garland Hendricks
- 2007 The Riches as Trooper Yardley (uncredited)
- 2007 The Mist as Colonel (uncredited)
- 2008 K-Ville as Michael Shanley
- 2008 Lockjaw: Rise of the Kulev Serpent as Alan Cade
- 2008 The Curious Case of Benjamin Button as Man at Caroline's Party
- 2009 I Love You Phillip Morris as Doctor
- 2009 12 Rounds as BEP Employee
- 2009 Men of a Certain Age as Coach Ford Jonathan
- 2010 Tekken as Tekken Police Officer#2
- 2010 Treme as Sheriff Don Babineaux
- 2010 Breaking Bad as Stan
- 2010 The Gates as Simon Ford
- 2010 The Last Exorcism as Louis Sweetzer
- 2013 The Last Exorcism Part II
- 2011 The Mentalist as Chief Arnold Nail
- 2011 CSI as Detective Lucas Martin
- 2011 Criminal Minds as Chief Theirs
- 2011 NCIS as Ernest McCormick
- 2011 CSI: Miami as Grant Wyatt
- 2012-2014, 2016 Longmire as Omar
- 2012 True Blood as JD
- 2012 CSI: NY as Capt. Curtis Smith
- 2013 DmC: Devil May Cry as Mundus / Bob Barbas (voice)
- 2013 Revenge as Agent Gentry
- 2014 Sleepy Hollow as General George Washington
- 2014 True Detective as Terry Guidry
- 2014 Atlas Shrugged III: Who Is John Galt? as Wesley Mouch
- 2014 Stalker as Jimmy Lambert
- 2015 Justified as Detective Willits
- 2016, 2018 Westworld as Peter Abernathy
- 2017-2018 One Chicago as Pat Halstead
- 2017-2018 Chicago Med
- 2018 Chicago Fire
- 2017 Training Day as Henry Hollister
- 2017 Narcos as Senator Toyle
- 2017 Law & Order: True Crime as Sgt. Edmonds
- 2018 Philip K. Dick's Electric Dreams as Supervisor
- 2018 Hawaii Five-0 as CIA Agent Matt Harlow
- 2018 Lucifer as Lt. John Decker
- 2020 FBI: Most Wanted as Blake Wilson
- 2020 Dirty John as Jack Earley
- 2022 The Peripheral as Corbell Pickett.
