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".