Monk (TV) Cast
The cast of Monk. Updated on September 7, 2025.
1,660 actors
Tony Shalhoub
as Adrian Monk (125 episodes)

Tony Shalhoub portrays the character of Adrian Monk in the show. Monk is a highly intelligent and observant detective with a severe case of obsessive-compulsive disorder (OCD). He is known for his incredible attention to detail and problem-solving skills, which often help him solve even the most complex cases. Monk's OCD is both a blessing and a curse, as it provides him with unique insights but also presents numerous challenges in his personal and professional life.

Ted Levine
as Leland Stottlemeyer (125 episodes)

Ted Levine plays the role of Leland Stottlemeyer, Monk's longtime friend and the captain of the San Francisco Police Department. Stottlemeyer is a dedicated and by-the-book police officer who respects Monk's exceptional detective skills. Throughout the show, Stottlemeyer serves as Monk's confidant and often relies on him to crack tough cases.

Jason Gray-Stanford
as Randall Disher (125 episodes)

Jason Gray-Stanford portrays the character of Randall Disher, a bumbling but well-meaning police detective who works alongside Monk and Stottlemeyer. Disher is known for his naivety and occasional clumsiness, but he is fiercely loyal to his colleagues. Despite his shortcomings, Disher provides comic relief in the show and occasionally stumbles upon important clues.

Traylor Howard
as Natalie Teeger (96 episodes)

Traylor Howard plays the role of Natalie Teeger, Monk's loyal and resourceful assistant. Natalie becomes Monk's assistant after Sharona Fleming's departure from the show. She is a single mother who quickly adapts to Monk's unique quirks and assists him in his investigations. Natalie provides emotional support to Monk and helps him navigate his OCD while working on cases.

Bitty Schram
as Sharona Fleming (47 episodes)

Bitty Schram portrays the character of Sharona Fleming, Monk's original assistant in the first three seasons of the show. Sharona is a capable nurse who assists Monk in his investigations. She has a no-nonsense attitude and often pushes Monk out of his comfort zone. Sharona's departure from the show leads to the introduction of Natalie Teeger as Monk's new assistant.

Stephen McHattie
as (1 episode)

Stephen McHattie appears in the show as a recurring character in various episodes. He takes on different roles, including villains and suspects. McHattie's performances add depth and intrigue to the show, leaving viewers guessing about his true intentions.

Polly Draper
as Rita Bronwyn (1 episode)

Polly Draper appears as Rita Bronwyn in an episode of Monk. Rita Bronwyn is a character involved in one of Monk's investigations and contributes to the development of the plot.

Craig T. Nelson
as Judge Ethan Rickover (2 episodes)
Andy Richter
as Hal Tucker (2 episodes)
Howie Mandel
as Ralph Roberts (2 episodes)
Jarrad Paul
as Kevin Dorfman (7 episodes)
Tony Plana
as Cpt. Alameda (1 episode)
Adam Arkin
as (1 episode)
Jenny Cooper
as (1 episode)
Kurt Fuller
as Dennis Gammil (1 episode)
Kevin Nealon
as John Wurster (1 episode)
Peter Outerbridge
as Trevor McDowell (1 episode)
Amy Sedaris
as Gail Fleming (2 episodes)
Nicholas Campbell
as Lawrence Grayson (1 episode)
Steven Williams
as Sgt. Parnell (1 episode)
Neil Crone
as Terry T (1 episode)
Rosalind Chao
as Arleen Cassidy (1 episode)
Nestor Carbonell
as Dalton Padron (1 episode)
Matt Winston
as Brian Babbage (1 episode)
Gary Cole
as Dexter Larson (1 episode)
Brooke Burke
as Reporter (1 episode)
Michael Stoyanov
as Stephen Dorn (1 episode)
Larry Hankin
as Bearded Man (1 episode)
Kathy Baker
as Sylvia Fairbourn (1 episode)
Mykelti Williamson
as Captain Walter Cage (1 episode)
Carmen Electra
as Chloe Blackburn (1 episode)
Joan Blair
as Rita (1 episode)
Faran Tahir
as Museum Official (1 episode)
Bob Joles
as Customer (1 episode)
Ken Marino
as Lester Highsmith (1 episode)
Bob Gunton
as Dwight Ellison (1 episode)
Nicole Sullivan
as Janet Novak (1 episode)
Mako
as Master Zi (1 episode)
Glenn Morshower
as Martin Willowby (1 episode)
John Maynard
as Repairman (1 episode)
Eddie McClintock
as Warren Kemp (1 episode)
Emma Caulfield Ford
as Meredith Preminger (1 episode)
Jason Alexander
as Marty Eels (1 episode)
Mary Mouser
as Princess Girl (1 episode)
Frank Novak
as Marv Chastwick (1 episode)
Ashley Williams
as Theresa Scott (1 episode)
Michael Bower
as Peter (1 episode)
Susan Ruttan
as Mrs. Ledsky (1 episode)
Rachael Harris
as Cpl. Alice Westergren (1 episode)
Malcolm McDowell
as Julian Hodge (1 episode)
Laurie Metcalf
as Cora Little (1 episode)
Brooke Langton
as Terri (1 episode)
Jeffrey Donovan
as Steve Wagner (1 episode)
Stephen Bogardus
as Derek Bronson (1 episode)
Wings Hauser
as Cobb - Juror No. 4 (1 episode)
Paul Ben-Victor
as Al Nicoletto (1 episode)
Peter Weller
as Actor Playing Stottlemeyer (1 episode)
David DeLuise
as Larry Cutler (1 episode)
Jazz Raycole
as Kimberly (1 episode)
Ron Roggé
as (1 episode)
Odette Annable
as Courtney (1 episode)
Brian McNamara
as Kyle Brooks (1 episode)
Gordon Clapp
as Francis Merrigan (1 episode)
Dan Castellaneta
as Tiny Werner (1 episode)
Sean Astin
as Paul Buchanan (1 episode)
Meat Loaf
as Reverend Hadley Jorgensen (1 episode)
Peter James Smith
as Agent Keao (1 episode)
Peter Stormare
as Petya Lovak (1 episode)
John Carroll Lynch
as Kurt Pressman (1 episode)
Dan Butler
as Dr. Davis Scott (1 episode)
Ashley Rose Orr
as Lisa (1 episode)
Marcello Thedford
as Extra Large (1 episode)
Jareb Dauplaise
as Pez (1 episode)
John Kapelos
as Paulie Flores (1 episode)
Donal Logue
as Gully (uncredited) (1 episode)
John Hawkes
as Matthew Teeger (1 episode)
Jose Pablo Cantillo
as Carlos (1 episode)
Alfred Molina
as Peter Magneri (1 episode)
Laura Johnson
as Carolyn Buxton (1 episode)
Daniel Stern
as Sheriff Fletcher (1 episode)
Reed Diamond
as FBI Agent Stone (1 episode)
Jonathan Lipnicki
as Rudy Smith (1 episode)
Erin Cahill
as Callie Esterhaus (1 episode)
Wallace Langham
as Steve DeWitt (1 episode)
Steve Zahn
as Jack Monk, Jr. (1 episode)
Carol Kane
as Joy (1 episode)
Jimmy Pardo
as Association President (1 episode)
Greg Pitts
as Billy Logan (1 episode)
Kristina Anapau
as Amanda (1 episode)
Geoffrey Blake
as Ike (1 episode)
Noah Emmerich
as Roderick Brody (1 episode)
Gena Rowlands
as Marge Johnson (1 episode)
Caroline Aaron
as Sheila Dorfman (1 episode)
Jill Arrington
as TV Newswoman (1 episode)
Art Evans
as Rusty (2 episodes)
Holland Taylor
as Peggy Davenport (2 episodes)
Ricardo Chavira
as Jimmy Belmont (2 episodes)
Angela Kinsey
as Arlene Boras (2 episodes)
John Capodice
as Frankie Marino (1 episode)
John Lacy
as Coach Chauncey (1 episode)
For the best insights and data about the TV show Monk, visit our main Monk page.