Person of Interest (TV) Cast
The cast of Person of Interest. Updated on September 15, 2025.
1,127 actors
Jim Caviezel
as John Reese (103 episodes)

Jim Caviezel portrays John Reese, a skilled former CIA operative. Reese is recruited by Finch to help prevent crimes as part of their vigilante operation. He is highly skilled in combat and surveillance, and his past experiences drive him to seek justice for those who cannot defend themselves.

Michael Emerson
as Harold Finch (103 episodes)

Michael Emerson plays Harold Finch, a reclusive billionaire software programmer and the creator of 'The Machine'. Finch developed the AI surveillance system to predict violent crimes, but it also predicts terrorist acts. He recruits Reese to help him save lives by intervening in these premeditated crimes.

Kevin Chapman
as Lionel Fusco (103 episodes)

Kevin Chapman portrays Lionel Fusco, a corrupt detective initially introduced as Reese's target. Fusco is blackmailed by Reese into becoming an ally, and eventually becomes a valuable member of the team. Despite his troubled past, Fusco proves to be a loyal and resourceful detective.

Taraji P. Henson
as Joss Carter (90 episodes)

Taraji P. Henson appears as Joss Carter, an NYPD detective who becomes aware of Reese's vigilantism. Initially skeptical, Carter later allies with Reese and Finch to take down corrupt individuals within the system. Her determination and relentless pursuit of justice make her a formidable asset to the team.

Sarah Shahi
as Sameen Shaw (62 episodes)

Sarah Shahi plays Sameen Shaw, a former government assassin with exceptional combat and hacking skills. Shaw is recruited by Finch to assist Reese and becomes a vital member of the team. Her complex personality and sharp intellect make her a valuable asset in their fight against crime.

Enrico Colantoni
as Carl Elias (24 episodes)

Enrico Colantoni portrays Carl Elias, a powerful and enigmatic crime boss in New York City. Despite his ruthless reputation, Elias occasionally helps Reese and Finch in their mission to bring down larger criminal organizations. His complex relationship with the team adds an intriguing dynamic to the show.

Elizabeth Marvel
as Alicia Corwin (10 episodes)

Elizabeth Marvel appears as Alicia Corwin, a high-ranking government official involved in the oversight of 'The Machine'. Corwin works to keep the true capabilities of the AI hidden and is willing to go to extreme lengths to protect it. Her character adds a layer of secrecy and government intrigue to the series.

Wrenn Schmidt
as Dr. Iris Campbell (7 episodes)

Wrenn Schmidt plays Dr. Iris Campbell, a psychiatrist who becomes entangled in Reese and Finch's mission to save lives. Driven and intelligent, she offers her expertise to help understand the psychological aspects of crime and assists the team in their fight against unknown threats.

Al Sapienza
as Detective Raymond Terney (13 episodes)
Robert John Burke
as Officer Patrick Simmons (16 episodes)
Brett Cullen
as Nathan Ingram (11 episodes)
Carrie Preston
as Grace Hendricks (9 episodes)
Amy Acker
as Root (80 episodes)
John Nolan
as John Greer (29 episodes)
Natalie Zea
as Diane Hanson (1 episode)
Alan Dale
as Ulrich Kohl (1 episode)
Valentina de Angelis
as Theresa Whitaker (1 episode)
Linda Cardellini
as Dr. Megan Tillman (1 episode)
James Carpinello
as Joey Durban (2 episodes)
Malik Yoba
as Andre Wilcox (1 episode)
David Costabile
as Judge Samuel Gates (1 episode)
Tim Guinee
as Mark Lawson (1 episode)
Bridget Regan
as Wendy McNally (1 episode)
Ruben Santiago-Hudson
as Sam Latimer (1 episode)
Ritchie Coster
as Assassin (1 episode)
Enver Gjokaj
as Lazlo Yogorov (1 episode)
Meredith Patterson
as Angela Markham (1 episode)
Lili Mirojnick
as Pia Moresco (1 episode)
Michael Murphy
as Congressman Jim Hallen (1 episode)
James Hanlon
as Detective James Stills (2 episodes)
Molly Price
as Elizabeth Whitaker (1 episode)
Jack Gwaltney
as Davis Bannerman (1 episode)
Melonie Diaz
as Paula Vasquez (1 episode)
David Alan Basche
as Wayne Kruger (1 episode)
Clarke Peters
as Alonzo Quinn (11 episodes)
Gary Basaraba
as Stu Sommers (1 episode)
Paul Urcioli
as Barry Timmons (1 episode)
Warren Kole
as Ian Murphy (1 episode)
Bruce Altman
as Dr. Ronald Carmichael (2 episodes)
Ron Raines
as Bruce Wellington (1 episode)
Boris McGiver
as George Hersh (13 episodes)
Kathleen Rose Perkins
as Vanessa Watkins (1 episode)
Paul Ben-Victor
as Detective Cameron (1 episode)
Annika Boras
as Nicole Spencer (1 episode)
Brian Wiles
as Officer Mike Laskey (5 episodes)
Daniel Cosgrove
as Jeremy Watkins (1 episode)
Treach
as Reginald 'Reverb' Marshall (1 episode)
Jennifer Ikeda
as Dr. Rachel Jensen (1 episode)
Danielle Kotch
as Genrika Zhirova (1 episode)
Morgan Spector
as Peter Yogorov (5 episodes)
Patrick Murney
as Tremors (1 episode)
Stephen Tyrone Williams
as Joseph Kent (1 episode)
Joseph J. Parks
as Vadim Loginov (1 episode)
Kirk Acevedo
as Timothy Sloan (1 episode)
Leslie Odom Jr.
as Peter Collier (8 episodes)
Michael Esper
as Jason Greenfield (2 episodes)
Donnie Keshawarz
as Nick Breckenridge (1 episode)
Aaron Staton
as Hayden Price (1 episode)
Jennifer Ferrin
as Natalie Boal (1 episode)
Carsten Norgaard
as Sven Vanger (1 episode)
James Joseph O'Neil
as Decker (1 episode)
Steve Rosen
as Nagel (1 episode)
Laz Alonso
as Paul Carter (2 episodes)
David Valcin
as Scarface (12 episodes)
Nick Mennell
as Nikolai (1 episode)
Paul O'Brien
as Judge Andrew Monahan (2 episodes)
Rey Valentin
as Jack Salazar (1 episode)
Max Martini
as RIP (1 episode)
Alano Miller
as R.J. Phillips (1 episode)
Lee Tergesen
as Detective Petersen (1 episode)
Khalil Kain
as Officer Lin (1 episode)
Devin Ratray
as Beat Cop (1 episode)
Richard Brooks
as Lead Marshal Pollack (1 episode)
Brian Tarantina
as Yorke (1 episode)
Saul Rubinek
as Arthur Claypool (2 episodes)
Tom Degnan
as Agent Easton (1 episode)
Chris Bert
as Young Harold Finch (2 episodes)
Camryn Manheim
as Diane Claypool (1 episode)
Jennifer Lim
as Bank Manager (1 episode)
Sally Pressman
as Holly (1 episode)
Samm Levine
as Owen Matthews (1 episode)
Marc Kudisch
as Businessman (1 episode)
Bill English
as Foster (1 episode)
Elaine Tan
as Kelli (Jiao) Lin (1 episode)
Henri Lubatti
as Agent Alain Bouchard (1 episode)
Gene Farber
as Cyril (1 episode)
Christopher Jackson
as Farrow (1 episode)
Stelio Savante
as Aris Zappo (1 episode)
Melissa Sagemiller
as Sandra Nicholson (1 episode)
Gavin Stenhouse
as Detective Jake Harrison (1 episode)
Kathleen McNenny
as Gina Kincaid (1 episode)
David Andrew MacDonald
as Ron Kincaid (1 episode)
Neil Jackson
as Rick Dillinger (1 episode)
Joseph Mazzello
as Daniel Casey (2 episodes)
Jay O. Sanders
as Special Counsel (9 episodes)
Casey Siemaszko
as Lester Strickland (1 episode)
Yul Vazquez
as Cyrus Wells (1 episode)
Colin Donnell
as Billy Parsons (1 episode)
Nazneen Contractor
as Maria Martinez (1 episode)
Haaz Sleiman
as Omar Risha (1 episode)
For the best insights and data about the TV show Person of Interest, visit our main Person of Interest page.