Trivia: In <Grease, the license plate seen on Kenicke's car at the start of "There Are Worse Things I Could Do" appears inside a T-Bird locker in this sequel, when Maxwell Caulfield is confronted by the T-Birds.
Trivia: The little pesky sister, Dolores Rebchuck, does the voice for Bobby Hill on King of the Hill.
Trivia: The character of Brad is played by Matt Lattanzi, the future husband of Grease star Olivia Newton-John.
Trivia: Adrian Zmed, who plays Johnny Nogerelli in this film, actually played Danny Zuko in 'Grease' on Broadway.
Trivia: Alison Price, who plays the Pink Lady Rhonda Ritter, is the daughter of Patricia Birch, the film's director.
Answer: I don't think it is ever mentioned as to who played the two nuns. I think they're just extras.