Suggestions by @odonnellii

Judy Greer

as Steris in The Alloy Of Law

JJ Feild

as Lucius Malfoy in Marauders

Samuel Roukin

as Severus Snape in Marauders

J.K. Rowling

as Writer in Marauders

Max Richter

as Composer in Marauders

Andrew Scott

as Regulus Black in Marauders

Kyle MacLachlan

as Donald Trump in Will The Real Alex Jones Please Stand Up

Rachel Keller

as Marilyn Monroe in Marilyn Monroe Biopic

Ben Affleck

as Director in Four Games

Jared Padalecki

as Tom Brady in Four Games

Carrie Coon

as Amelia Earhart in Amelia (Amelia Earhart Bio)

Dan Stevens

as Voldemort in Marauders

Jared Harris

as Albus Dumbledore in Marauders

Clint Mansell

as Composer in Dune

Hiro Murai

as Director in The Way of Kings

Olivia Cooke

as Vin Venture in The Mistborn Trilogy

Louis Hynes

as Spook in The Mistborn Trilogy

Agyness Deyn

as Siuan Sanche in The Wheel of Time

Alex Lawther

as Matrim Cauthon in The Wheel of Time

Michael Shanks

as Ben Parker in Spider Man Homecoming Sequel