Suggestions by @mystoreo___

Madison Iseman

as Beatrice “Tris” Prior in Divergent

Theo James

as Jagged Fel in Star Wars characters without a live-action appearance (Legends and Canon)

Michael Fassbender

as Mitth'raw'nuruodo in Star Wars characters without a live-action appearance (Legends and Canon)

Matt Lanter

as Super dude in Sci-Fi Movie

Jon Abrahams

as Ratman in Sci-Fi Movie

Lana Condor

as Grasshoper in Sci-Fi Movie

Simon Rex

as Eminem in Eminem Biopic

Yvonne Strahovski

as Invisible Woman in Marvel Ultimate Alliance

Brant Daugherty

as Officer KKK in Sci-Fi Movie

Kaya Scodelario

as Chi-Ra in Sci-Fi Movie

Ana de Armas

as Amazing Woman in Sci-Fi Movie

Regina Hall

as Deliah in Sci-Fi Movie

Marlon Wayans

as Darth Maul in Sci-Fi Movie

Logic

as George Logan in Scary Movie

Lyndsy Fonseca

as Cindy Campbell in Scary Movie

Morena Baccarin

as Luna in Sci-Fi Movie

Cameron Diaz

as Mary Jane Skyrunner in Sci-Fi Movie

Ali Wong

as Lavender in Sci-Fi Movie

Marilu Henner

as Layla in Sci-Fi Movie

Jordan Peele

as Finn in Sci-Fi Movie