Celebrity guest stars are part of the television toolbox. But for some shows, it’s easier to cast high-profile stars than others — especially if the celebrity plays themselves. Pluribus, Apple TV’s latest hit sci-fi series, feels like the last place you’d see a celebrity guest star: it’s a profoundly lonely series, focusing on one woman trying to save the world despite almost everyone else on Earth being absorbed into a hive mind.
But in Episode 6, “H.D.P.”, one of the grossest facts in the show is delivered by a surprising guest star, playing himself and begging a curious question about the hive mind itself.
