Grandaeglo City

Receptionist: Entropy (all take turns tho)
Internal Mechanic: "Plasma Bunny"
Main Arcade Operators: Siren, Entropy, and "Plasma Bunny"
Stand-In Arcade Operator: Static

Casino Owner... or Manager?: Dionysus
Dealer: Spade
Pit Clerk: Chalice

*Note: There are several other employees, not just Spade and Chalice lol

Planetarians: Capella and Aēr

Aka "The Server Room" which is more than just a room...

Server Technicians: Brax and Shirk

Lead Detective: Cream of Mushroom
Co-Detective: Snuffles

Racers (Participants): Pike and Clue, among others

Clerks: Malachi, among others

Bartender (Night): Mr. Pumpkin
Waitresses: Matcha and Piper, among others

Diner Owner and Host: Nutmeg