Sam the counterman is character who makes a brief one time appearance in the Season 2 episode titled "Random Target".
Sam owns a food truck which serves Van Nuys Airport. During the episode, Dominic orders a "salami quattro provolone" sandwich on Italian bread from him. Shortly after beginning to eat the sandwich, Dominic discovers that the Santini Air office is on fire.
Samis billed as "Sam the counterman" in the closing credits. He is played by Danny Dayton.