Well that's a great job you're doing crediting all those little known people who stepped in front of the camera for the original series! I still can't figure out if Bart Conrad and Tom Curtis are alive and well and their 100s. Bart Conrad played Captain krasnosky in court-martial and Tom Curtis played Mike also in court-martial. Memory Alpha in correctly lists Tom Curtis with an incorrect character name and an incorrect photograph. Curtis is white haired and they also appeared in Beverly Hillbillies and Mission Impossible. Both seem to be in their late 40s early 50s and would be well over a hundred but it's theoretically possible they're still hanging on. IMDb in Memory Alpha doesn't even list birth dates or years for those two.