The legacy of Star Trek includes many memorable guest stars, Joan Collins as Edith Keeler in "City on the Edge of Forever," Ricardo Montalban as Khan on "Space Seed," Jane Wyatt as Spock's mother on "Journey to Babel." And those are just the ones that come first to mind.

But what about the less celebrated stars who appeared on ST? There were many who made a great impression because of the larger than life character they were given to play, and the ability to seize the spotlight.

Here are five of my favorite, and most memorable, though less celebrated, Trek stars...