Quoc was a character who made an appearance in the Season 3 episode of the CBS-TV series M*A*S*H, appearing in the episode "Payday". The part of Quoc was played in the episode by veteran actor Jack Soo, who is well known to TV viewers for his role as Det. Nick Yemada on the ABC-TV series Barney Miller, and who also made the final of two appearances on the seriesk having appeared as black marketeer Charlie Lee in the second overall series episode, "To Market, to Market" in Season 1 of the series.