- as Adrian Monk
- as Sharona Fleming
- as Lester Highsmith
- as Trudy Monk
- as Capt. Leland Stottlemeyer
- as Dewey Albert
- as Scat
- as Officer Cooper
- as Undercover Cop
- as Officer Hensley
- as Lt. Randall Disher
- as Officer Salvatore
- as Burger Girl
- as Dr. Charles Kroger
- as Salvatore - Car Salesman
- as Lester's Shift Supervisor
- as Building Supervisor
- as TV Anchorman
- as Uniform Cop
- as College Boy #1
- as College Boy #2
- as College Girl #1
- as College Girl #2
- as Uniform Cop
- as Marlene Highsmith
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Watch "Monk > Mr. Monk Takes His Medicine":