Suggestions by @theonewhoknocks

George Harrison

as Gandalf in The Beatles Lord of the Rings

Clint Eastwood

as Boba Fett in Mandalorian (1995)

Harvey Keitel

as Mike Ehrmantraut in Breaking Bad Remake ( 2020 )

Morgan Freeman

as Greef Karga in Mandalorian (1995)

Mark Hamill

as Luke Skywalker in Mandalorian (1995)

Kurt Russell

as Cobb Vanth in Mandalorian (1995)

Danny Glover

as Moff Gideon in Mandalorian (1995)

Brad Pitt

as The Mandalorian in Mandalorian (1995)

Asa Butterfield

as Fred and George Weasley in Harry Potter Reboot

Brooke Norbury

as Ginny Weasley in Harry Potter Reboot

Callum Booth-Ford

as Neville Longbottom in Harry Potter Reboot

Helen Mirren

as Minerva McGonagall in Harry Potter Reboot

Sean Bean

as Albus Dumbledore in Harry Potter Reboot

Benedict Cumberbatch

as Severus Snape in Harry Potter Reboot

Ilirian Bushi

as Ron Weasley in Harry Potter Reboot

Noah Jupe

as Harry Potter in Harry Potter Reboot

Millie Bobby Brown

as Hermione Granger in Harry Potter Reboot

Rian Johnson

as Director in Batman: Mask of the Phantasm

John Slattery

as Carl Beaumont in Batman: Mask of the Phantasm

Bobby Cannavale

as Buzz Bronski in Batman: Mask of the Phantasm