Blake in Maxim

Party photographer Patrick McMullan plays himself in an episode of Gossip Girl airing Monday night, March 30.

“I’m probably getting 더 많이 attention from the coming attraction than on the show itself,” Mr. McMullan told the Daily Transom, referring to the brief half-second during which his mug appeared in a 미리 보기 that aired last Monday. Since then, his many 프렌즈 and colleagues—many of them Gossip Girl devotees—have been ringing him to say “Congrats!”

Since the show premiered in 2007, all sorts of prominent New Yorkers have made cameos: author 어치, 제이 McInerney, designer Michael Kors,...