| Jeffrey Dean Morgan |
Steven Leight |
Walther PPK |
'"Mr. Monk Takes Manhattan" (S3E01) |
| Josh Stamberg |
FBI Special Agent Grooms |
Glock 17 |
"Mr. Monk Gets Cabin Fever" |
| Michael Weston |
Morris |
Ruger Model 77 |
"Mr. Monk and the Employee of the Month" |
| Steven Williams |
State Trooper Sgt. Parnell |
Beretta 92FS |
"Mr. Monk Gets Stuck in Traffic" (S03E13) |
| Steven Williams |
State Trooper Sgt. Parnell |
Unidentified Shotgun |
"Mr. Monk Gets Stuck in Traffic" (S03E13) |
| Ted Levine |
Capt. Leland Stottlemeyer |
Beretta 92FS |
- |
| Tony Shalhoub |
Adrian Monk |
Ruger Model 77 |
Silver finish, black synthetic stock; "Mr. Monk and the Employee of the Month" (S3E07) |
| Tony Shalhoub |
Adrian Monk |
Walther P38 |
water pistol, "Mr. Monk Takes His Medicine" |
| Tony Shalhoub |
Adrian Monk |
RGD-5 hand grenade |
water pistol, "Mr. Monk and the Election" |