The Grease universe is expanding like it or not (side note we love it). This glitzy new world full of catchy new tunes and hand-jiving dance numbers also comes with a whole slate of new cast members, ...

Given the show is set in 1954 — a mere four years before the original film and seven years before its sequel — you'd be hard-pressed to find Sandy Olsson (or Stephanie Zinone, shoutout to the Grease 2 ...