The female star of Night Court who appeared on Cheers was Markie Post , who played Christine Sullivan on Night Court and guest-starred on Cheers before becoming a regular on the NBC comedy line-up.

Quick Scoop

  • Name: Markie Post.
  • Night Court role: Christine Sullivan, the kindhearted public defender.
  • Cheers appearance: She did a guest shot on Cheers in 1983.

Markie Post is the likely answer people mean when they ask about the Night Court actress who also appeared on Cheers.

Why she stands out

  • She was one of the best-known female leads on Night Court.
  • Her Cheers guest role came before her Night Court fame fully took off.
  • She later became widely associated with 1980s network sitcoms.

Simple answer

Markie Post.

TL;DR: The Night Court star you’re thinking of is Markie Post, and she also appeared on Cheers.