Patrick Brammall Detective Cullen Actor, Executive Producer Tim Meadows Detective Tolbeck Actor Sunita Mani Guest Star Arturo Castro Guest Star Jason Mantzoukas Guest Star Will Ferrell Guest Star, Executive Producer Mackenzie Davis Guest Star Bridget Everett Senior Detective Bonnie Lyman Guest Star Jesse Plemons Guest Star Darren Gilshenan Guest Star Jake Johnson Guest Star Amy Sedaris Guest Star Adrian Martinez Guest Star Alexandra Rodríguez Gabriella Guest Star Fred Pohl Guest Star Daniel Zolghadri Guest Star Michaela Watkins Therapist Guest Star J.K. Simmons Internal Affairs Investigator Leon Fordham Guest Star Adam McKay Executive Producer Trent O'Donnell Executive Producer Jason Burrows Executive Producer Joe Farrell Executive Producer