Elenco principal da temporada 4

1. 

   Tony Shalhoub

   Adrian Monk

2. 

   Ted Levine

   Leland Stottlemeyer

3. 

   Jason Gray-Stanford

   Randall Disher

4. 

   Traylor Howard

   Natalie Teeger

Convidados Especiais 11

1. 

   Alex Wolff

   Brian Willis

2. 

   Wade Williams

   Captain Frank Willis

3. 

   Christina Vidal

   Winona

4. 

   Maurice Compte

   Luke Johnston

5. 

   Rodney Eastman

   Del Johnston

6. 

   Uriah Shelton

   Nicky Phillips

7. David Kronenberg

   Will Dellman

8. 

   Liz Burnette

   2nd Panel Member

9. 

   Rodney Saulsberry

   1st Panel Member

10. Bill Viney

    Ranger (uncredited)

11. 

    Nick Nervies

    Norman Walters

Equipa técnica 4