Suggestions by @camisade

Justin Briner

as Side Burn in The Transformers

Martin Kove

as Roadbuster in The Transformers

Martin Kove

as Impactor in The Transformers

William Zabka

as Rat King in Teenage Mutant Ninja Turtles

Zach Robinson

as Composer in Teenage Mutant Ninja Turtles

Leo Birenberg

as Composer in Teenage Mutant Ninja Turtles

Josh Heald

as Writer in Teenage Mutant Ninja Turtles

Josh Heald

as Director in Teenage Mutant Ninja Turtles

Bret Ernst

as Hammerhead in Spider-Man

Mary Mouser

as April O'Neil in Teenage Mutant Ninja Turtles

Justin Chatwin

as Sid Jones in Teenage Mutant Ninja Turtles

Yuji Okumoto

as Tatsu in Teenage Mutant Ninja Turtles

Yuji Okumoto

as Splinter in Teenage Mutant Ninja Turtles

Deke Anderson

as Spin-Out in The Transformers

Kyle Hebert

as Spin-Out in The Transformers

Anya Taylor-Joy

as Angel O'Day in Angel and the Ape

Anya Taylor-Joy

as Y.T. in Snow Crash

Annalise Basso

as Laura Lochs in Hack/Slash

Harry Melling

as Shinwell "Porky" Johnson in The Adventures of Sherlock Holmes

Ludwig Göransson

as Composer in U.S. Archer