Frank Reagan

Tom Selleck

Danny Reagan

Donnie Wahlberg

Erin Reagan

Bridget Moynahan

Jamie Reagan

Will Estes

Henry Reagan

Len Cariou

Detective Maria Baez

Marisa Ramirez

Garrett Moore

Gregory Jbara

Nicky Reagan-Boyle

Sami Gayle

Officer Eddie Janko

Vanessa Ray

Det. Abigail Baker

Abigail Hawk

Sean Reagan

Andrew Terraciano

Regina Thomas

Whoopi Goldberg

Joseph Hill

Will Hochman

Lt. Mike Gee / Lt. Gee / LT. Mike Gee

Eric B.

Lt. Gormley

Robert Clohessy

Anthony Abetemarco

Steven R. Schirripa

Jack Reagan

Tony Terraciano

Elon Lubin

Sean Allan Krill

Dr. Dawson

David Wilson Barnes

Don Voorhees

James Le Gros

Officer Ray Flores

KeiLyn Durrel Jones

Jennifer

Sophia Gennusa

Mayor Peter Chase

Dylan Walsh

Jill Carmago

Katie Kreisler

Jack Boyle

Peter Hermann

Lenny

Louis Mustillo

Robert Lewis

Michael Imperioli

Rachel Witten / Officer Rachel Witten

Lauren Patten

Annie/Erin's Assistant

Fortuna Gebresellassie

Special Agent Rachel Weber

Gloria Reuben

Emmett Fells

Ben Bailey

Ms. Wilson

Kristine Nielsen

Kimberly Crawford / D.A. Crawford

Roslyn Ruff

Alice Williams

Joy Jones

Nuciforo / Himself / Detective Nuciforo

James Nuciforo

Linda Reagan

Amy Carlson

Sandy Daniels

Audrey Lynn Weston

Detective Allison Mulaney

Ali Stroker

Claire Gilmore

Kate Rockwell

Megan Mills

Georgia Warner

Andrew Miles

Jimi Stanton

Tyce Dickson

Shannon Wallace

David Bowles

Brian Keane

Governor Mendez

David Zayes

DA Samar Chatwal

Aasif Mandvi

Jackie Curatola

Jennifer Esposito

Winnie

Sandra Daley

Captain Espinoza

Luis Antonio Ramos

Diana Brooks

Heather Alicia Simms

Alison Gable

Erin Neufer

Ricki Blanton

Ilana Becker

News Reporter

Agnes Chung

Charles Hayes

Eric Tabach

Ira Pressly

Ben Rosenblatt

Anita Samson

Shenyse Leanna Harris

Det. Felix Evans

Daniel Cosgrove

Det. Judy Farrow

Angel Desai

Susan Roberts

Welker White

M.E. Faith Marconi

Annabella Sciorra

Ted Bradley Jr.

Cameron Scoggins

Richard Farmer

Michael Marc Friedman

Eamon

Constantin Tripes

Charelle Tyler

Dominique Fishback

William Maloney

Joe Curnutte

Asley Roberts

Ivory Aquino

Mason Cook

Derek Hedlund

Harold Roberts

Joshua Wills

Diane Butler

Kathryn Gallagher

Regina

Jackie Reynolds

Mama Marconi

Lucy Martin

Hassett

Mark Deklin

Kenny Cook

Jeremy Crutchley

Officer Malone / Officer Malone (as Joseph John O'Connor)

Joe O'Connor

Boris Vache

Jamie Jackson

Lawrence Skolnik

Matthew Rauch

Executive Officer Lars Hall

Jerry Dixon

Gerald Bradley

Brandon Williams

Ralph Lamont

Alex Brightman

Danielle Levine

Taylor Rose

Angela Bennett

Trian Long Smith

Tommy Simms

Ed Squires

Dennis Strand

Zach McNally

Dave Hobbs

Patrick Brennan

IAB Lieutenant

Christopher L. Graves

Keisha Smith

Bobbi A Bordley

Future Marconi

Andrew Burdette

Detective Peterson

Janelle McDermoth

Officer Luis Diaz

Jacob Dickey

Paula Hill

Bonnie Somerville

Jim Beresford

Michael Quinlan

Robin Waits

Opal Alladin

Captain Keith Butler

Jim Klock

Dante

Wesley Volcy

Scott Marino

Nico Greetham

Christian Ward

Sherman Howard

John Romano

Jim Santangeli

Max Fagan

Shane Patrick Kearns

Luis Badillo / Officer Luis Badillo

Ian Quinlan

Charlotte

Jenny Anne Hochberg

Elaine "Doc" Pressly

Deborah Fennelly