Andy Samberg Detective Jake Peralta Actor Andre Braugher Captain Ray Holt Actor Terry Crews Sergeant Terry Jeffords Actor Melissa Fumero Detective Amy Santiago Actor Joe Lo Truglio Detective Charles Boyle Actor Stephanie Beatriz Detective Rosa Diaz Actor Chelsea Peretti Gina Linetti Actor Dirk Blocker Detective Michael Hitchcock Guest Star Joel McKinnon Miller Detective Norm Scully Guest Star Mary Elizabeth Ellis Dr. Rossi Guest Star Daniel J. Goor Executive Producer Mike Schur Executive Producer David Miner Executive Producer