Guy Raymond. . .Does this guy always play bartenders?
Apparently - around the time of Tribbles, he had been in a series of beer commercials as - yes - a bartender. but his IMDB listing long and impressive
A lot of his IMDB credits are for characters with actual names, so there's no telling about all of those.
Though in 1959, he did play a Bootlegger on Naked City
, and in 1960 was an uncredited Bartender on Maverick