Re: Best guest performances on TOS......
What about Elisha Cook, Jr. as Samuel T. Cogley in "Court Martial?"
Roger Carmel who played Harry Mudd in two episodes is also missing.
As is Marc Lenard as Sarek from Journey to Babel
. That is probably the biggest omission.
"...the most elementary and valuable statement in science, the beginning of wisdom, is I do not know." - Lt. Commander Data, "Where Silence Has Lease"