Stała obsada sezonu 4

1. 

   Tony Shalhoub

   Adrian Monk

2. 

   Ted Levine

   Leland Stottlemeyer

3. 

   Jason Gray-Stanford

   Randall Disher

4. 

   Bitty Schram

   Sharona Fleming

Goście specjalni 12

1. 

   Holt McCallany

   Pat van Ranken

2. 

   Leslie Jordan

   Town Official

3. 

   John Turturro

   Ambrose Monk

4. 

   Marcia Ann Burrs

   Mrs. Dohan

5. 

   Douglas Bennett

   Bingo Addict

6. Ira Steck

   Bingo Caller

7. Jean Elliott Campbell

   Entry Booth Lady

8. Brian C. Baker

   Fair Patron (uncredited)

9. 

   Lucius Baybak

   Second Kid (uncredited)

10. 

    Cabran E. Chamberlain

    Detective (uncredited)

11. Connor Dylan Wryn

    First Kid (uncredited)

12. Shannan Leigh Yancsurak

    Young Mom / Jumper (uncredited)

Ekipa 3