The cellist is played by Joanna Newsom, Andy Samberg's wife, who is a talented singer and musician.
The janitor cleaning the precinct that Jake turns the lights out on is played by series creator and writer Dan Goor.
With Joanna Newsom being on the show, four of the main cast had their significant other on the show. Joe Lo Truglio's wife, Beth Dover, played a clerk in a paper store in Fancy Brudgom (2014), Dirk Blocker's wife, Danielle Aubuchon, played an inmate at the prison Rosa was in in The Big House Pt. 1 (2017), and Melissa Fumero's husband, David Fumero, played Vin, a puzzle maker, in The Puzzle Master (2018).
The outfit Jake is wearing at the end is the same outfit he was in during the second heist in season two.
The 153rd episode and series finale.