Every Trek series as seen a number of guest stars (appearing in just and episode or, if they're lucky, a two-parter) not to mention all the extras who manage to get a name and even a line or two throughout a series.
But who, out of all of those fleet appearances, has just stuck in your mind and left a memorable impression over the years?
But who, out of all of those fleet appearances, has just stuck in your mind and left a memorable impression over the years?