I watched a bit last night before going to bed. It was funny that we were talking about ST alumni. Last night I watched Once Upon a Time with Buster Keaton and the man that played the tribble merchant in TTWT was in it. It reminded me that in an earlier season I saw another guy that had been on ST as well. While not really "alumni" it was still funny to see.
Major K
"He guards the sleep of his pauper master as if he were a Prince." George Graham Vest
"We are alone, absolutely alone on this chance planet: and, amid all the forms of life that surround us, not one, excepting the dog, has made an alliance with us." - Maurice Maeterlinck