Suggestions by @edhoppner

Jim Howick

as Wormtail in Harry Potter (HBO Max Series)

Mathew Baynton

as Sirius Black in Harry Potter (HBO Max Series)

Ben Willbond

as Professor Lupin in Harry Potter (HBO Max Series)

Martha Howe-Douglas

as Lily Potter in Harry Potter (HBO Max Series)

Laurence Rickard

as Professor Snape in Harry Potter (HBO Max Series)

Simon Farnaby

as James Potter in Harry Potter (HBO Max Series)

Mia Goth

as Bridgette in Total Drama

Oliver Tree

as Max (Total DramaRama) in All Total Drama Characters

Mia Goth

as Bridgette in Total Drama

Mia Goth

as Bridgette in Total Drama Fancast

Sadie Sink

as Izzy in Total Drama Fancast

Lewis Capaldi

as Owen in Total Drama Fancast

Ed Sheeran

as Harold in Total Drama Fancast

Eden Hoppner

as Draco Malfoy in Harry Potter (HBO Max Series)

Eden Hoppner

as Draco Malfoy in Harry Potter: Malfoy

Eden Hoppner

as Evan Rosier in The Marauders

Margot Robbie

as Young Rita Skeeter in The Marauders

Alex Lawther

as James Potter in The Marauders

James Potter

as Rita Skeeter in Harry Potter (Perfect Casting)