Popsugar Entertainment Netflix Who Plays Koop in Afterlife of the Party? Afterlife of the Party: Koop Isn't an Actual Musician, but the Actor Who Plays Him Is 7 September 2021 by Monica Sisavat Solís View On One Page Photo 7 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 "Too Many Friends" Previous Next Start Slideshow NetflixAfterlife Of The PartyStreamingMovies