Suggestions by @arlomcgowan

Kevin Chamberlin

as The Wizard in Wicked: Film Adaptation

Score: -2

Meryl Streep

as Madame Morrible in Wicked: Film Adaptation

Score: -1

Darren Criss

as Boq in Wicked: Film Adaptation

Score: -2

Anna Kendrick

as Nessarose in Wicked: Film Adaptation

Score: -1

Aaron Tveit

as Fiyero in Wicked: Film Adaptation

Score: +7

Amanda Seyfried

as Galinda/Glinda in Wicked: Film Adaptation

Score: +2

Lea Michele

as Elphaba in Wicked: Film Adaptation

Score: +6

Colm Wilkinson

as The Bishop in Les Miserables 3rd Broadway Revival fan casting

Score: +3

Lea Salonga

as Fantine in Les Miserables 3rd Broadway Revival fan casting

Score: +1

Ramin Karimloo

as Jean Valjean in Les Miserables 3rd Broadway Revival fan casting

Score: +10