Suggestions by @quorange

Jimmy Carr

as Neil’s Dad in The Inbetweeners

Ian McKellen

as Hector in History Boys

Mark Hamill

as Hector in History Boys

Charlie Rowe

as Dakin in History Boys

Asa Butterfield

as Posner in History Boys

Nicholas Hoult

as Timms in History Boys

Stephen Merchant

as Irwin in History Boys

Eddie Redmayne

as Irwin in History Boys

Taron Egerton

as Rudge in History Boys

Dacre Montgomery

as Scripps in History Boys

Tom Holland

as Lockwood in History Boys

Tobi Bakare

as Crowther in History Boys

John Boyega

as Crowther in History Boys

Edgar Wright

as Director in History Boys

Dev Patel

as Akhtar in History Boys

Chris O'Dowd

as Arthur Dent in The Hitchhiker's Guide to the Galaxy

Maya Hawke

as Beatrix Kiddo in Kill Bill

Steve Buscemi

as Quasimodo in The Hunchback of Notre Dame

Brendan Fraser

as Quasimodo in The Hunchback of Notre Dame

Miles Teller

as Robert De Niro in Robin