Acting
Best known for his roles in such films as Lucky, Coherence, Roman J. Israel, Esq., and Daniel Martinico’s OK, Good and Excursions, Armstrong's television work includes recurring roles on True Lies, Bosch: Legacy and NCIS as well as The Blacklist, Room 104, and Fear the Walking Dead. In theater, he recently appeared in Evanston Salt Costs Climbing at Rogue Machine Theatre. He is also known for his onstage roles in The Ants at the Geffen Playhouse, Twilight: Los Angeles, 1992 at the Mark Taper Forum, Uncle Vanya at Pasadena Playhouse, and Power of Sail also at the Geffen Playhouse. Recent VO includes podcast series DUST, Agent Stoker, and Blood Weed on Audible Originals, as well as voices for Cinema Toast.
MovieWatching Mr. Pearson
2026
as Robert Pearson
MovieWhiskers - A Christmas Short Film
2025
as Whiskers
8 Confessions in Los Angeles
2024
as Archie
MovieCursed in Baja
2024
as Prison Guard
MovieJane Austen's Period Drama
2024
as Mr. Father Talbot
TVShatter Belt
2023
as Carl
MovieRachel Hendrix
2023
as Carl Hendrix
MovieJe Ne Suis Pas Une Star De Cinéma
2023
as Vanya
TVTrue Lies
2023
as Jann Isaacs
MovieWhen We Kill the Creators
2022
as Colton
MovieDark Cloud
2022
as Bruce Montgomery
TVBosch: Legacy
2022
as Detective Gustafson
MovieThe Only One
2021
as Rob
MovieNo Man of God
2021
as Colorado Investigator
MovieMister Limbo
2021
MovieBurning Dog
2020
as Bill
TVMessiah
2020
as Ruben
MovieThe Passing Parade
2019
as Vance Hanger
MovieCuck
2019
as Larry
MovieSchool Spirit
2019
as Mr. Armstrong
MovieGrace
2018
as Val
TVFor the People
2018
as Kurt Keener
MovieNostalgia
2018
as Jim Singer
MovieRoman J. Israel, Esq.
2017
as Fritz Molinar
MovieLucky
2017
as Vincent
TVRoom 104
2017
as Steve
MovieDRIB
2017
as Director
TVFear the Walking Dead
2015
as Vernon Trimbol
TVStitchers
2015
as Ed Clark
MovieCoherence
2014
as Hugh
MovieLove in the Time of Monsters
2014
as Chester
TVThe Crazy Ones
2013
as Carl
TVThe Blacklist
2013
as Joko Kozinski
MovieLay the Favorite
2012
as Customer
MovieOK, Good
2012
as Paul Kaplan
MovieWeak Species
2009
as Tom
MoviePolitical Disasters
2009
as Bradley
MovieNanking
2007
as John Magee
TVNCIS
2003
as Eugene Coyle
TVMonk
2002
as Medical Examiner
MovieChristmas Nightmare
2001
as Agent Simmons
MovieA Wedding Day
as Jess White
