Suggestions by @kingtycho

Christopher Walken

as Skeletor in The New Adventures of He-Man & The Galactic Guardians

Ron Perlman

as Dr. Henry McCoy in MCU X-Men

Ralph Fiennes

as Joruus C'baoth in Star Wars: Heir to the Empire

Ralph Ineson

as Joruus C'baoth in Star Wars: Heir to the Empire

Katheryn Winnick

as Eowyn in The Lord of the Rings (TV Show)

Liam Neeson

as Odysseus in Odyssey 2008

Paul Reiser

as Borsk Fey'lya in Star Wars: Heir to the Empire

Doug Jones

as Silver Surfer in Fantastic Four

Emily Blunt

as Sue Storm in Fantastic Four

Andy Serkis

as Khabarakh in Star Wars: Heir to the Empire

Hugo Weaving

as Grand Admiral Thrawn in Star Wars: Heir to the Empire

Viggo Mortensen

as Talon Karrde in Star Wars: Heir to the Empire

Briana Evigan

as Talon Karrde in Star Wars: Heir to the Empire

Michael Fassbender

as Grand Admiral Thrawn in Star Wars: Heir to the Empire

Karen Gillan

as Mara Jade in Star Wars: Heir to the Empire