In the episode (amazingly) titled “The Telltale Moozadell”, Gaga appears as one of the girls on the bleachers laughing and smoking cigarettes as AJ and his friends vandalize the school.
Dano appears in the series as a friend of AJ’s named Patrick Whalen who has one of the worst bowl cuts I’ve ever seen and a major interest in AJ’s father.
Manuel-Miranda had a brief cameo as a bellboy in The Sopranos in which he’s questioned by Tony and Paulie about when his place of employment was built.
Michael K. Williams appears as a man named Ray Ray in the “Army of One” episode of Season 3. Ray Ray helps Jackie Aprile Jr. hide out in his housing project in Boonton.