Ernie Kovacs. Comedian and actor. Hardy obscure in the 1950s & 60s. Made a few movies, best know for his eponymous TV show. Passed away tragically at a young age in a car accident.
Henry Calvin - best know for his portrayal of officious and bumbling Sergeant Garcia in the 1950s TV series "Zorro". Also was in the Disney movie "Toby Tyler". It is alleged that he had to shave with a special razor while working on "Zorro" so he could maintain his stubbly beard.
Tim Donnelly - appeared in several of Jack Webb productions in the 1960 & 70s. Perhaps best remembered as smart-aleck fireman, Chet Kelly, on "Emergency!".
Roger C. Carmel - mainly a stage actor, he appeared in many TV series as a guest star. Arguably his most memorable role was as Harry Mudd in the "Star Trek" episode, "Mudd's Women".