Tom Selleck
Frank Reagan (21 eps)
Donnie Wahlberg
Danny Reagan (21 eps)
Bridget Moynahan
Erin Reagan-Boyle (21 eps)
Will Estes
Jamie Reagan (21 eps)
Len Cariou
Henry Reagan (21 eps)
Vanessa Ray
Eddie Reagan (21 eps)
Andrew Terraciano
Sean Reagan (21 eps)
Gregory Jbara
Garrett Moore (21 eps)
Robert Clohessy
Sid Gormley (21 eps)
Abigail Hawk
Abigail Baker (21 eps)
Marisa Ramirez
Maria Baez (21 eps)
Steve Schirripa
Anthony Abetemarco (21 eps)
Ian Quinlan
Luis Badillo (9 eps)
Peter Hermann
Jack Boyle (6 eps)
Stephanie Kurtzuba
Captain McNichols (6 eps)
James Hiroyuki Liao
Lt. Fleming (5 eps)
Will Hochman
Joe Hill (4 eps)
Jared Morrison
Taru Tech Walker (3 eps)
Matt Consalvo
Officer Meyers (3 eps)
Gameela Wright
Reporter Helen (3 eps)
Steven Maier
Officer Zach Christodoulopoulos (3 eps)
James Nuciforo
Nuciforo (3 eps)
Dylan Walsh
Mayor Peter Chase (2 eps)
Madeline Grey DeFreece
Officer Grey (2 eps)
Roslyn Ruff
Kimberly Crawford (2 eps)
Mather Zickel
Dr. Leonard Walker (2 eps)
Anita Gillette
Colleen McGuire (1 eps)
Bonnie Somerville
Paula Hill (1 eps)
Fortuna Gebresellasie
Annie (1 eps)
Darik Bernard
Officer Irving (1 eps)
Lauren Patten
Rachel Witten (1 eps)
Juan Francisco Villa
Arturo Muñoz (1 eps)
Gabby Beans
Cora Felton (1 eps)
Theresa Tirone
Officer Fucci (1 eps)
Eric B.
Lt. Mike Gee (1 eps)
Stacy Keach
Kevin Kearns (1 eps)
Mark McKinnon
Officer Miller (1 eps)
Derek Gaines
Bugs (1 eps)
Annabella Sciorra
Faith Marconi (1 eps)
Dario Vazquez
Andre Castillo (1 eps)
Christopher M. Lindsay
Desk Sergeant D'Antonio (1 eps)
Patricia DiMango
Judge Hall (1 eps)
Anais Almonte
Sofia Costillo (1 eps)
Natalie Gallo
Nurse #1 (1 eps)
Alexis Sims
Vivian Washington (1 eps)
Tim Eliot
Trauma Surgeon (1 eps)
Robert Lee Humphrey
Orderly (1 eps)
Crystal Chau
Nurse #2 (1 eps)
Scott Bryce
Craig Perlmutter (1 eps)
Shane Johnson
Dr. Knight (1 eps)
Kim Director
Arriana (1 eps)
Mick Szal
Milan (1 eps)
Kevin Ligon
Hotel Manager (1 eps)
Morgane Bensadoun
Audrey Knight (1 eps)
Helena Betancourt
Housekeeper #1 (1 eps)
Melissa Denise Lopez
Housekeeper #2 (1 eps)
Nicholas Podany
Officer Mark Cooper (1 eps)
Rob McClure
Teddy Marks (1 eps)
Claire Karpen
Jeanine Daltrey (1 eps)
Cameron Knight
Officer Robert Lester (1 eps)
Darlene Hope
Mrs. Lamar (1 eps)
Celeste Oliva
Detective Maria Reynolds (1 eps)
Allen McCullough
Alan Josephson (1 eps)
Jeff Woods Garlin
Mr. Lamar (1 eps)
Kristopher Kling
Brad Haller (as Kris Kling) (1 eps)
Rishan Dhamija
Rishi Patel (1 eps)
Zach Wegner
James Baxter (1 eps)
Elan Zafir
Andrew Green (1 eps)
Jennifer Plotzke
Leslie Prentiss (1 eps)
Omar Ezat
Hip Jeweler (1 eps)
Bianca Horn
Public Defender (1 eps)
Robert Stanton
Connor Kelly (1 eps)
Corey Knight
Jay (1 eps)
Isabella Pisacane
Jackie / Morgan (1 eps)
Dorothy Lyman
Elizabeth (1 eps)
Richie Allan
Martin (1 eps)
Tony Crane
Detective Hannigan (1 eps)
John Plumpis
Pietr Papatonis (1 eps)
Michael Jibrin
Lt. Greer (1 eps)
Sunday Manisto-Saari
Protester 1 (as Sunday Saari) (1 eps)
Zachary Garmers
Protestor 2 (1 eps)
Sharaé Moultrie
Protestor 3 (1 eps)
Pascal Arquimedes
Citizen 1 (1 eps)
Miriam Habib
Citizen 2 (1 eps)
Janae Robinson
Citizen 3 (as Janae A. Robinson) (1 eps)
Rachel Resheff
Sarah Longo (1 eps)
Danny Olabi
Elijah Martin (1 eps)
Derrick Williams
Robert Davis (1 eps)
Kumiko Konishi
Diane Jones (1 eps)
Lateefah Holder
Sharon Martin (1 eps)
Emily Shaffer
Monique (1 eps)
Bernadette Quigley
Judge Cameron Miller (1 eps)
Frank Rodriguez
Andre Lopez (1 eps)
David Michael Garry
George (1 eps)
Gustavo Marquez
Manny Vargas (1 eps)
Christopher Laing
Panos (1 eps)
Katarina Tsokolati
Student Speaker (1 eps)
Chip Carriere
Super (1 eps)
Hal Miers
Officer James (1 eps)
Lynn Marocola
FDNY Emt (uncredited) (1 eps)
Michael Oberholtzer
Officer John Hayes (1 eps)
Alexandra Turshen
Robert Davis (1 eps)
Kyle Harris
Adam Reynolds (1 eps)
Kate Miller
Vivian Abetemarco (1 eps)
Damien Jimenez
Maurice (1 eps)
Isabel Harper Leight
Sophia Abetamarco (1 eps)
Mark Stolzenberg
Stavros (1 eps)
Sydney Morgan Currie
Jennifer (1 eps)
Leasen Beth Almquist
Waitress (1 eps)
Jerii Aquino
EMT (1 eps)
Desi Waters
Woman (1 eps)
Vance Farfel
Boy #1 (1 eps)
Darren Valinotti
Boy #2 (1 eps)
Dayo Olatokun
Greg Lutsky (Gunman) (1 eps)
Amanda KC
Old Woman (1 eps)
Marcus R. Smith
Bartender (1 eps)
Joe O'Connor
Officer Malone (as Joseph John O'Connor) (1 eps)
Stewart Zamudio
Man (1 eps)
Alex Dong
Sonny Le (1 eps)
Ari Brand
Sam Isaac (1 eps)
Kellan Rhude
Officer Stokes (1 eps)
Roger Anthony
Tommy Wong (1 eps)
Đan Nguyên
Gang Member (1 eps)
Chris Alec Stevens
Crowd #1 (1 eps)
Jeremy Colwell Schwartz
Crowd #2 (1 eps)
Nash Bennett
Crowd #3 (1 eps)
Vani Nguyen Kovitch
Vietnamese Woman #1 (1 eps)
Kathy Huynh-Phan
Vietnamese Woman #2 (1 eps)
Rich Vu
Vietnamese Gambler #1 (1 eps)
Huy Nguyen
Vietnamese Gambler #2 (1 eps)
Barron Leung
Vietnamese Man (1 eps)
Tess Nhan
Vietnamese Kid #1 (1 eps)
Taz Nhan
Vietnamese Kid #2 (1 eps)
Matthew Piazzi
Malcolm Argus (1 eps)
Barron Bass
Bad Guy (1 eps)
Erika Slezak
Donna Duvall (1 eps)
Ben Thompson
John Dixon (1 eps)
Erin Anderson
Naomi Dixon (1 eps)
Jim C. Ferris
Carl (as Jim Ferris) (1 eps)
Justin Rodriguez
Felix (1 eps)
Austin Elle Fisher
Elyse (1 eps)
Michael Cash
Colin (1 eps)
Kila Ever
Annie (1 eps)
Hanna Edwards
Wanda (1 eps)
Hunter Thore
Wayne (1 eps)
Ronnie Castellano
Dwayne (1 eps)
Eddie Cahill
Chief Paul Gallagher (1 eps)
Kyle Vincent Terry
Terrence Simms (1 eps)
Aizzah Fatima
Liquor Store Clerk (1 eps)
Reuben Barsky
Bobby Renner (1 eps)
Justin Gentry
Thug #1 (1 eps)
Paul Gee
Thug #2 (1 eps)
Stephan Godleski
Boss (1 eps)
Liam Craig
Director (1 eps)
Raphael Peacock
Chief #1 (1 eps)
McKenna Kerrigan
Chief #2 (1 eps)
Daniela Cardarelli
Gunshot Victim (1 eps)
Matt Grossman
Uniform (1 eps)
Anya Krawcheck
Saleswoman (1 eps)
Latef Roberts
Parking Lot Guard (1 eps)
Mira Rashidzada
Chief #3 (1 eps)
Peter Flihan
Chief #4 (1 eps)
Thomas Tobin
Assistant Director (as Tom Tobin) (1 eps)
Alan Chen
Businessman (uncredited) (1 eps)
David Call
Liam Gill (1 eps)
Colby Lewis
Eric Hutchins (1 eps)
Quentin Earl Darrington
Pastor Isaiah Clay (1 eps)
Jessica Pimentel
Laura Acosta (1 eps)
Jeorge Bennett Watson
Saint Nick (1 eps)
Quincy Giles
Damien Richards (1 eps)
Kevaughn Reid
Devon Clay (1 eps)
Johnny Bermudez
Hostage Negotiator (1 eps)
Daniel Marcus
Dominic (1 eps)
Javi Perez
Bartender (as Javi Perec) (1 eps)
Danielle Lee James
Uniform (1 eps)
Josephine Cho
Waiter (1 eps)
Callie Skopelitis
Hostage #1 (1 eps)
Francesca Nong
Hostage #2 (1 eps)
Todd Berkich
Hostage #3 (1 eps)
Danny Marin
College Kid (1 eps)
Stephen Medwid
Bartender #2 (1 eps)
Tom Cavanagh
Mickey Patrick (1 eps)
Grace Porter
Angela Jackson (1 eps)
Mike McGowan
Captain John Bates (1 eps)
Jaime Zevallos
Gustavo Abreu (1 eps)
Gene Gabriel
Craig Stutz (1 eps)
Evgeniya Radilova
Milla (1 eps)
DazMann Still
Marcus (1 eps)
Mark Green
Officer Anderson (as Mark Christopher Green) (1 eps)
Joe Osheroff
Stuart Eiseman (1 eps)
Brandon Cusma
White Hat (1 eps)
Mario Peguero
Desk Sergeant (1 eps)
Jana Joldzic
Alona Petrenko (1 eps)
Johnath Davis
Tully Richards (1 eps)
María Álvarez
Maria Abreau (1 eps)
Brian Colin Foley
Man (1 eps)
Anderson Jenkins
Cop (as Richard Anderson Jenkins) (1 eps)
Samantha Blaire Cutler
Jennifer Carpenter (1 eps)
Blake Morris
FBI Agent Jeff Green (1 eps)
Brian McCormack
Martin Langley (1 eps)
Kadia Saraf
Regina (1 eps)
Sam Morales
Rosanna Diaz (1 eps)
Blake Roman
Peter (1 eps)
Marc Reign
Julia Tragadara (1 eps)
Janira Reyes
Iris Tragadara (1 eps)
Tara Medina
Nurse (1 eps)
Judith Franklin
Secretary (1 eps)
Olivia Koukol
Melanie (1 eps)
Nichalas Parker
Orderly #1 (1 eps)
Afsheen Misaghi
Orderly #2 (1 eps)
Walker Dent
Joe Reagan (3-4 years old) (1 eps)
Oliver Shepard
Joe Reagan (7-8 years old) (1 eps)
Jonah McDonald
Joe Reagan (Teenager) (1 eps)
Iida Piironen
Maryanne Kauffman (1 eps)
Camilla Della Vecchia
Mrs. Reagan (1 eps)
Alison Fraser
Bobbi Gallo (1 eps)
Sumaya Bouhbal
Trina (1 eps)
Erinn Ruth
Janet Bullock (1 eps)
Josh Davis
Officer Stephens (1 eps)
Travis Doughty
Officer Rouse (1 eps)
T.L. Flint
Jayden Wilson (1 eps)
Jacob Augustin
Daquan (as Jacob Alexander Augustin) (1 eps)
Delphi Harrington
Emily (1 eps)
Owen Jackson Jr.
Lucas Security Guard (1 eps)
Crede Cooper
Mikey (1 eps)
Derek Hedlund
Officer Weatherly (1 eps)
Samantha Blain
Officer Zaccaro (1 eps)
Donna Glaesener
Serg. Bellows (1 eps)
Kristin Granade
Charlotte (1 eps)
Marc Anthony Solis
Ronnie (1 eps)
Maddie Dyer
Sarah (1 eps)
Nili Bassman
Susan (1 eps)
Jazmyn D Boone
Uniform (Locker Room) (1 eps)
Daniela Delahuerta
Shopper (1 eps)
Ronald Emile
Tristan Edwards (1 eps)
Laiona Michelle
Naomi (1 eps)
Nicole Shalhoub
Lisa Reynolds (1 eps)
Imani Lewis
Shayla Alexander (1 eps)
Seth Hill
Keon (1 eps)
Carlos Gómez
Diego 'El Granjero' Rodriguez (1 eps)
Lyle Lovett
Major Waylon Gates (1 eps)
Gabe Bowling
Det. Paul Franklin (1 eps)
Erick McAllister
Agent Martin (1 eps)
Rob Figueroa
Agent Sanchez (1 eps)
Helen Coxe
Det. Jane Ricci (1 eps)
Tyler Brooks
Scott Taylor (1 eps)
Thomas Michael Allen
Dave Duggan (1 eps)
Kaitlyn Frank
Officer #1 (1 eps)
Kathiamarice Lopez
Officer Marisol Serrano (1 eps)
Kayla Sofia
Brittany Cambell (1 eps)
Alina Vazquez
Destiny Sanchez (1 eps)
Sabrina Aziz
Megan Lee (1 eps)
Christopher Alexander Chukwueke
Reporter #2 (1 eps)
Phoenix Carnevale
Reporter #3 (1 eps)
Erin Cherry
Judge Harris (1 eps)
Sofia Vassilieva
Officer Carlie Gillson (1 eps)
Alysha Umphress
Tracy (1 eps)
Darryl Gene Daughtry Jr.
Mr. Atkins (1 eps)
Winslow Bright
Sydney Sloan (1 eps)
Michael Aurelio
Mauricio (1 eps)
Sam Wolf
Officer Justin (1 eps)
Jeffrey Bender
Bill Duckworth (1 eps)
Adiagha Faizah
Holly Davis (1 eps)
Gabrielle Lee
Sergeant Davis (1 eps)
Stephanie Rocio
Officer Lacks (1 eps)
David Adams
Officer Danby (1 eps)
Rebecca White
Officer Fields (1 eps)
Keith Contreras
Officer Martinez (1 eps)
Stefano Carannante
Stefano (1 eps)
Max Chlumecky
Spencer Holland (1 eps)
Meltem Gulturk
Paramedic Kulluk (1 eps)
Ashlee Jimenez
Shivering Witness (1 eps)
Francesca Shipsey
Officer Ross (1 eps)
Erin Noel Grennan
Lorraine Duckworth (1 eps)
Gracie Lee
Sandi (1 eps)
Savannah DesOrmeaux
Process Server (1 eps)