Main Cast:
* Harry Stone: The wacky, often unpredictable, but ultimately kind-hearted judge presiding over Night Court. Played by Harry Anderson.
* Dan Fielding: The ambitious, sarcastic, and somewhat sleazy district attorney, always trying to score a win (often at the expense of Harry). Played by John Larroquette.
* Christine Sullivan: The efficient, resourceful, and sometimes exasperated court clerk, always trying to maintain order. Played by Markie Post.
* Mac Robinson: The endearing, lovable, and somewhat clumsy bailiff, always eager to please Harry. Played by Charles Robinson.
* Bull Shannon: The gruff, old-fashioned security guard who often dispenses wisdom and advice, though his methods are sometimes questionable. Played by Richard Moll.
* Roz Russell: The attractive, intelligent, and fiercely independent court reporter who often finds herself caught in the middle of Harry and Dan's antics. Played by Marsha Warfield.
Recurring Characters:
* Florence: The Night Court cleaning lady who is a master of disguise and has a surprising amount of influence in the court. Played by Selma Diamond.
* Melinda "Missy" Franklin: Harry's on-again, off-again love interest and a recurring lawyer in the courtroom. Played by Debbe Dunning.
* "Big" Tony: A recurring defendant known for his oversized physique and his penchant for getting into trouble. Played by Stephen Pearl.
* Billy: Harry's long-lost son, who occasionally appears in the courtroom. Played by Michael Ensign.
Other notable characters:
* Barney: Dan's assistant, a short, somewhat clumsy, and always-helpful individual. Played by Michael Ensign.
* "Little" Tony: Big Tony's brother, who also frequently lands in court. Played by David Graf.
This is just a small sample of the many memorable characters who graced Night Court's unique courtroom setting. The show was known for its ensemble cast and its ability to create hilarious and heartwarming moments with each character.