Suggestions by @olagun

Sadie Sink

as Heather Chandler in Heathers The Musical (Animated Adaptation)

Ariel Winter

as Heather Chandler in Heathers The Musical (Animated Adaptation)

Emily Alyn Lind

as Heather Chandler in Heathers The Musical (Animated Adaptation)

Chloe Bennet

as Heather Chandler in Heathers The Musical (Animated Adaptation)

Whitney Avalon

as Heather Chandler (singing voice) in Heathers The Musical (Animated Adaptation)

Jason Marsden

as Jason "J.D." Dean in Heathers The Musical (Animated Adaptation)

Lucy Hale

as Veronica Sawyer in Heathers The Musical (Animated Adaptation)

Oscar Isaac

as Victor von Doom in Characters Not Yet in the MCU