For more detailed character information, see List of Monk characters.Below is a list of actors and actresses that were part of the cast of the American comedy-drama television series Monk.
The show's main stars included, at some point, Tony Shalhoub, Bitty Schram, Traylor Howard, Ted Levine, and Jason Gray-Stanford. Stanley Kamel, Kane Ritchotte, and Stellina Rusich were credited as starring in the pilot episode, while Brooke Adams was credited as starring in "Mr. Monk and the Airplane".
= Starring
= Recurring/Guest
= Archive footage or voiceovers
| Character | Season | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Season One (2002) | Season Two (2003–2004) | Season Three (2004–2005) | Season Four (2005–2006) | Season Five (2006–2007) | Season Six (2007–2008) | Season Seven (2008–2009) | Season Eight (2009) | ||
Main cast< | -- Starring Order --> | ||||||||
| Adrian Monk | colspan="8" | ||||||||
| Sharona Fleming | |||||||||
| Lt. Randy Disher | colspan="8" | ||||||||
| Captain Leland Stottlemeyer | colspan="8" | ||||||||
| Natalie Teeger | colspan="6" | ||||||||
Family and friends< | --In Order of First Appearance--> | ||||||||
| Dr. Charles Kroger | |||||||||
| Benjy Fleming | colspan="5" | ||||||||
| Trudy Monk | colspan="3" | ||||||||
| Gail Fleming | colspan="6" | ||||||||
| Karen Stottlemeyer | colspan="4" | ||||||||
| Jared Stottlemeyer | |||||||||
| Max Stottlemeyer | |||||||||
| Trevor Howe | colspan="5" | ||||||||
| Kevin Dorfman | |||||||||
| Ambrose Monk | |||||||||
| Marci Maven | |||||||||
| Harold Krenshaw | colspan="4" | ||||||||
| Julie Teeger | colspan="6" | ||||||||
| Bobby Davenport | colspan="3" | ||||||||
| Peggy Davenport | colspan="3" | ||||||||
| Troy Kroger | colspan="2" | ||||||||
| Jack Monk, Sr. | |||||||||
| Dr. Neven Bell | colspan="2" | ||||||||
| Lt. Steven Albright | colspan="2" | ||||||||
| Trudy "T.K." Jensen-Stottlemeyer | |||||||||
Enemies< | --In Order of First Appearance--> | ||||||||
| Dale "The Whale" Biederbeck | colspan="2" | ||||||||
| Gordo the M.E. | colspan="4" | ||||||||
| Linda Fusco | colspan="2" | ||||||||
| Hal Tucker | |||||||||
| Jimmy Belmont | |||||||||
| Arlene Boras | |||||||||
| Joey Krenshaw | |||||||||
| Ralph "Father" Roberts | |||||||||
| Sheriff John Rollins | colspan="2" | ||||||||
| Frank Nunn | colspan="2" | ||||||||
| Judge Ethan Rickover | |||||||||
Minor characters< | --In Order of First Appearance--> | ||||||||
| Various Characters | colspan="2" | ||||||||
| Various Characters | |||||||||
| Agent Grooms | colspan="5" | ||||||||
| Garrett Price | colspan="2" | ||||||||
| Dr. Matthew Shuler | |||||||||