Will Arnett
From Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Will Arnett with a Glock 17 in a shoulder holster as FBI Special Agent Mike Waldrup on The Sopranos.
Will Arnett can be seen using the following weapons in the following television series:
Television
Gun | Character | Title | Note/Episode | Date |
---|---|---|---|---|
Glock 17 | FBI Special Agent Mike Waldrup | The Sopranos | "For All Debts Public and Private" (S4E01) | 2002 |
Tokarev TT-33 | George Oscar "GOB" Bluth | Arrested Development | "Making a Stand" (S3E08) | 2005 |
M1911A1 | George Oscar "GOB" Bluth | Arrested Development | "Making a Stand" (S3E08) | 2005 |