| 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 |
| Andre Braugher | Raymond Holt |
| Kyle Bornheimer | Teddy |
| Dirk Blocker | Hitchcock |
| Joel McKinnon Miller | Scully |
| Dan Donohue | Dr. Martin Cozner |
| Heather Olt | Sophia Bunsen |
| Richard Burch | Old Mobster
(as Richard Lee Burch) |
| Jack Nathan Harding | Frank |
| Peter A. Hulne | Nate Borgio
(as Pete Hulne) |
| Robert Michael Lee | Abel |
| Ingo Neuhaus | Alfonso |
| Timothy Douglas Perez | Tattooed Con
(as Tim Perez) |
| Marcus D. Spencer | Muscular Con
(as Big Spence) |
| Bill Watterson | Sinister Con
(as William Watterson) |
| Peter Janov | Police Officer
(uncredited) |