Castle (TV) Cast
The cast of Castle. Updated on September 15, 2025.
1,888 actors
Nathan Fillion
as Richard Castle (173 episodes)

Nathan Fillion plays Richard Castle, a best-selling mystery novelist who assists the NYPD in solving crimes.

Stana Katic
as Kate Beckett (173 episodes)

Stana Katic portrays Kate Beckett, a dedicated homicide detective in New York City.

Molly C. Quinn
as Alexis Castle (173 episodes)

Molly C. Quinn takes on the role of Alexis Castle, the intelligent and mature daughter of Richard Castle.

Jon Huertas
as Javier Esposito (173 episodes)

Jon Huertas plays Javier Esposito, a detective in the homicide division at the NYPD.

Seamus Dever
as Kevin Ryan (173 episodes)

Seamus Dever is Kevin Ryan, another detective and partner to Javier Esposito.

Susan Sullivan
as Martha Rodgers (173 episodes)

Susan Sullivan appears as Martha Rodgers, Richard Castle's theatrical and spirited mother.

Ruben Santiago-Hudson
as Roy Montgomery (59 episodes)

Ruben Santiago-Hudson portrays Roy Montgomery, the captain of the NYPD's homicide division.

Tamala Jones
as Lanie Parish (173 episodes)

Tamala Jones plays Lanie Parish, a forensic pathologist and close friend of Kate Beckett.

Toks Olagundoye
as Hayley Shipton (22 episodes)

Toks Olagundoye takes on the role of Hayley Shipton, a private investigator and security specialist.

Penny Johnson Jerald
as Victoria Gates (93 episodes)

Penny Johnson Jerald plays Victoria Gates, the captain who succeeds Roy Montgomery at the NYPD.

Torrey DeVitto
as Sierra Goodwin (1 episode)
Robert Pine
as Gerry Finnegan (1 episode)
Jack McGee
as Dale Fickas (2 episodes)
Ron Roggé
as Wolkowski (2 episodes)
Drew Osborne
as Owen (2 episodes)
Caterina Scorsone
as Joanne Delgado (2 episodes)
Elaine Hendrix
as Melissa Talbot (1 episode)
Anita Barone
as Janice Freeman (1 episode)
Eddie Shin
as Johnny Vong (1 episode)
Alyssa Milano
as Kyra Blaine (1 episode)
Marc Blucas
as Jeremy Preswick (1 episode)
D.B. Woodside
as Lance Carlberg (1 episode)
Michaela McManus
as Scarlett Price (1 episode)
Kelly Carlson
as Ellie Monroe (1 episode)
Ray Wise
as Bobby Fox (1 episode)
Amy Gumenick
as Danielle (1 episode)
Julia Nickson
as Mrs. Lee (1 episode)
Channon Roe
as Kevin Henson (1 episode)
Sarah Drew
as Chloe Richardson (1 episode)
Francis Capra
as Juan Restrepo (1 episode)
Joanne Kelly
as Lee Wax (1 episode)
Alexandra Barreto
as Annie Swift (1 episode)
Laura Prepon
as Natalie Rhodes (1 episode)
Brett Cullen
as Christian Dahl (1 episode)
Michael Rady
as Evan Murphy (1 episode)
Randal Reeder
as Roland D'Andre (1 episode)
Derek Phillips
as Reggie Walsh (1 episode)
Clare Carey
as Noreen Hixton (1 episode)
Jason Wiles
as Damian Westlake (1 episode)
Michael Cassidy
as Greg McClintock (1 episode)
Carmen Argenziano
as Mario Rivera (1 episode)
Corbin Bernsen
as Lance Hastings (1 episode)
Justin Bruening
as Rob Tredwyck (1 episode)
Michael McKean
as Victor Baron (1 episode)
Kristin Lehman
as Serena Kaye (1 episode)
Dean Norris
as John Davis (1 episode)
Fredric Lehne
as Addison Smith (1 episode)
Richard Burgi
as Charlie Turner (1 episode)
Darin Heames
as Chuck Martinez (1 episode)
Hilarie Burton
as Kay Cappuccio (1 episode)
Mark Pellegrino
as Tom Dempsey / Tom Dempsey III (1 episode)
Meghan, Duchess of Sussex
as Charlotte Boyd (1 episode)
Jennifer Beals
as Sophia Turner (4 episodes)
Michael Trucco
as Tom Demming (4 episodes)
Stephen J. Cannell
as Self (4 episodes)
Leonard Roberts
as Jason Avery (4 episodes)
Erick Avari
as Rupert Bentley (2 episodes)
Philip Anthony-Rodriguez
as Michael Grant (2 episodes)
Lyle Lovett
as Agent Westfield (2 episodes)
Max Martini
as Hal Lockwood (2 episodes)
Larry Clarke
as Tony Mueller (2 episodes)
Gary Basaraba
as Ralph Carbone (2 episodes)
Julian Sands
as Teddy Farrow (1 episode)
Stephanie Faracy
as Patty Schultz (1 episode)
Paul Carafotes
as Lukas Canby (2 episodes)
Rick Gonzalez
as Mickey Carlson (2 episodes)
Amy Hill
as Alma (1 episode)
Reed Diamond
as Cameron Talbot (1 episode)
Abigail Spencer
as Sarah Reed (1 episode)
Mimi Kuzyk
as Sheila Blaine (1 episode)
Carlo Rota
as Bahir Harun (1 episode)
Gregg Henry
as Winston Wellesley (1 episode)
Jesse Head
as Zack Metzger (1 episode)
Bill Bellamy
as Mickey Reed (1 episode)
Michael Ironside
as Victor Racine (1 episode)
Don Franklin
as Tommy Zane (1 episode)
Rocco DiSpirito
as Rocco DiSpirito (1 episode)
Devon Gummersall
as Matt Haley (1 episode)
Creagen Dow
as Max Heller (1 episode)
Peter Jason
as Sheriff Sloan (1 episode)
Michael Graziadei
as Brent Johnson (1 episode)
Aldis Hodge
as Azi (1 episode)
Alex Carter
as Michael Goldman (1 episode)
Bailey Chase
as Will Sorenson (3 episodes)
Thomas Calabro
as Scott Donner (1 episode)
Chadwick Boseman
as Chuck Russell (1 episode)
Craig Gellis
as Earl Moreland (1 episode)
Thomas Kopache
as Abe Sandrich (1 episode)
Derek Webster
as Robert Weldon (1 episode)
Tom Irwin
as Simon Campbell (1 episode)
A Martinez
as Cesar Calderon (1 episode)
Ever Carradine
as Mirielle Lefcourt (1 episode)
Rebecca Budig
as Mandy Bronson (1 episode)
Bahar Soomekh
as Nazihah Alhabi (3 episodes)
Brendan Hines
as Alex Conrad (1 episode)
Kenneth Mitchell
as Paul Whittaker (1 episode)
Jessica Tuck
as Joy McHugh (1 episode)
Darren Pettie
as Trapper John (1 episode)
Amanda Walsh
as Lulu (1 episode)
Laura Regan
as Rebecca Siegal (1 episode)
For the best insights and data about the TV show Castle, visit our main Castle page.