Star Trek guest stars

GREATEST GUEST STAR TURNS IN STAR TREK HISTORY
-mark lenard: romulan commander, "Balance of Terror"
-william campbell: trelane, "The Squire of Gothos"
-ricardo montalban: khan noonian singh, "Space Seed"
-joan collins: edith keeler, "The City on the Edge of Forever"
-roger c. carmel: harry mudd, "I, Mudd"
-ricardo montalban: khan noonian singh, THE WRATH OF KHAN
-ray walston: boothby, "The First Duty" TNG
-david warner: gul madred, "Chain of Command" TNG
-brian keith: mullibok, "Progress" DS9
-gerritt graham: q, "Death Wish" VOY
-alice krige: borg queen, FIRST CONTACT
-john rhys-davies: leonardo da vinci, "Scorpion" VOY
-donna murphy: anij, INSURRECTION
-andy dick: EMH mark 2, "Message in a Bottle" VOY