Since the 1980s, she has played guest roles in numerous television series.
He appeared in guest roles on American television from the late 1950s to the 1980s.
All three actors had played guest roles in the original series.
Several well known actors played guest roles in the series.
She was invited back several years later to play another guest role.
She returned in a guest role for an episode of the show's seventh season.
Burke has appeared on many television shows in guest roles.
Since then, he has had over 200 guest roles on television shows.
He appeared in some two dozen guest roles on various television series.
Writers have said she may return to the show sometime next season, but only in a guest role.