Suggestions by @rhapsodyblueva

Julianne Hough

as Flat-Top in Starlight Express

Score: +1

Jason Gastrow

as Dustin in Starlight Express

Score: -1

Brian Wecht

as Dustin in Starlight Express

Score: -1

Zendaya

as Rocky 3 in Starlight Express

Score: +1

Anthony Ramos

as Rocky 2 in Starlight Express

Score: +1

Anika Noni Rose

as Buffy in Starlight Express

Score: +1

Emma Stone

as Ashley in Starlight Express

Score: +2

Janet Jackson

as Ramblin' Momma McCoy in Starlight Express

Score: +2

Audra McDonald

as Ramblin' Momma McCoy in Starlight Express

Score: +1

Katy Perry

as Dinah in Starlight Express

Score: +1

Dove Cameron

as Pearl in Starlight Express

Score: +2

Beth Behrs

as Pearl in Starlight Express

Score: +1

Zac Efron

as Greaseball in Starlight Express

Score: +1

Tom Holland

as Rusty McCoy in Starlight Express

Score: -1

Finn Wolfhard

as Rusty McCoy in Starlight Express

Score: +1

Arin Hanson

as Rocky 1 in Starlight Express

Score: -1

Meghan Trainor

as Dinah in Starlight Express

Score: -1

Ariana Grande

as Pearl in Starlight Express

Score: +1

Tom Hiddleston

as Electra in Starlight Express

Score: +1

Lady Gaga

as Electra in Starlight Express

Score: +3