| Andy Samberg | Jake Peralta |
| Stephanie Beatriz | Rosa Diaz |
| Terry Crews | Terry Jeffords |
| Melissa Fumero | Amy Santiago |
| Joe Lo Truglio | Charles Boyle |
| Chelsea Peretti | Gina Linetti
(credit only) |
| Andre Braugher | Raymond Holt |
| Dirk Blocker | Hitchcock |
| Joel McKinnon Miller | Scully |
| Tim Meadows | Caleb |
| Lou Diamond Phillips | Jeff Romero |
| Toby Huss | Warden Granville |
| Danielle Aubuchon | Jenny |
| Douglas Bennett | Chico |
| Sarah Chaney | Visitation Guard #2 |
| Winston James Francis | Tank |
| Chiquita Fuller | Visitation Guard #1 |
| David Haley | Ryan |
| Matt Leonard | Alan Wilson |
| Clark Moore | Bryce |
| Renes Rivera | Cyclops |
| Faruq Tauheed | Gang Leader |
| Alex Flash | Romero's Henchman |
| Ryan Babcock | Matthews (Skinhead)
(uncredited) |
| Doby Daenger | Prison Inmate
(uncredited) |
| Cary Huff | Lawyer
(uncredited) |
| Mariano 'Big Dawg' Mendoza | Muscular Inmate
(uncredited) |
| Charlotte Xia | Prison Visitor
(uncredited) |