시즌 정규 출연진 4

1. 

   Tony Shalhoub

   Adrian Monk

2. 

   Ted Levine

   Leland Stottlemeyer

3. 

   Jason Gray-Stanford

   Randall Disher

4. 

   Bitty Schram

   Sharona Fleming

특별출연 13

1. 

   Kevin Nealon

   John Wurster

2. 

   Dennis Boutsikaris

   Dr. Morris Lancaster

3. 

   Max Morrow

   Benjy Fleming

4. 

   Ken Cheeseman

   Manny

5. 

   Eve Gordon

   Janie

6. 

   Desmond Campbell

   Oliver

7. Eric Hempsall

   Chet

8. Kelly Fiddick

   Bill LaFrankie

9. Kris Ryan

   Dr. Conrad Gould

10. Matthew Olver

    2nd Psych Tech

11. 

    Ray Kahnert

    Schizophrenic Man

12. Robert Thomas

    Hardhat

13. Zoe Heath

    Torch

제작진 5