Memory Alpha
Memory Alpha
Real World article
(written from a Production point of view)

Instances on Star Trek: The Next Generation of the regular cast listed in the opening credits not appearing in the episode.

Do not list episodes where the cast member was not part of the regular cast.

Patrick Stewart

Jonathan Frakes

Brent Spiner

LeVar Burton

Michael Dorn

Gates McFadden

Gates McFadden was not a cast member for season 2.

Marina Sirtis

Wil Wheaton

Wil Wheaton was not a cast member after "Final Mission" in season 4, or for seasons 5-7.

Denise Crosby

Denise Crosby was not a cast member for seasons 2-7.