Person of Interest Allegiance (Season 3, Episode 18)
TV-14
TV Episode | 44 min | Action, Crime, Drama

Person of Interest

Allegiance (Season 3, Episode 18)

TV-14

TV Episode | 44 min | Action, Crime, Drama

The team gets involved in a case of international politics when a former government contractor stalks a U.N. diplomat. Meanwhile, an adversary tries to take advantage of Root.

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Cast	+ Add Cast
21 cast members

Name	Known for
Jim Caviezel John Reese John Reese See fewer	The Passion of the Christ (2004)
Kevin Chapman Detective Lionel Fusco Detective Lionel Fusco See fewer	CODA (2021)
Amy Acker Root Root See fewer	Angel (1999)
Sarah Shahi Sameen Shaw Sameen Shaw See fewer	Black Adam (2022)
Michael Emerson Harold Finch / Mr. Kingfisher Harold Finch / Mr. Kingfisher See fewer	Saw (2004)
Nazneen Contractor Maria Martinez Maria Martinez See fewer	Star Trek Into Darkness (2013)
Haaz Sleiman Omar Risha Omar Risha See fewer	The Visitor (I) (2007)
John Nolan John Greer John Greer See fewer	Batman Begins (2005)
Michel Gill Rene Lapointe Rene Lapointe See fewer	Mr. Robot (2015)
Casey Biggs Ken Davis Ken Davis See fewer	Broken Arrow (1996)
William Abadie Christos Sevon Christos Sevon See fewer	Homeland (2011)
Usman Ally Jamal Risha Jamal Risha See fewer	A Series of Unfortunate Events (2017)
Nick Kohn Prison Guard (as Nicholas Kohn) Prison Guard (as Nicholas Kohn) See fewer	Person of Interest (2011)
Amr El-Bayoumi Legionnaire #3 Legionnaire #3 See fewer	Captain Phillips (2013)
Robert O'Gorman Annoyed Guy Annoyed Guy See fewer	Criminal Minds (2005)
Malachy Cleary Attorney Attorney See fewer	Manifest (2018)
Maceo Oliver NYPD Patrolman NYPD Patrolman See fewer	NCIS: New Orleans (2014)
Alec Beard UN Guard #1 UN Guard #1 See fewer	Person of Interest (2011)
Don Guillory UN Guard #2 UN Guard #2 See fewer	Monsters and Men (2018)
Umar Khan Legionnaire (uncredited) Legionnaire (uncredited) See fewer	Captain America: Civil War (2016)
Lynn Marocola Subway Passerby (uncredited) Subway Passerby (uncredited) See fewer	Birdman or (The Unexpected Virtue of Ignorance) (2014)