Suggestions by @danielallen

Rowan Atkinson

as Nearly Headless Nick in Harry Potter Television Series

Rhys Ifans

as Argus Filch in Harry Potter Television Series

Bill Nighy

as Olivander in Harry Potter Television Series

Olivia Colman

as Petunia Dursley in Harry Potter Television Series

Mark Addy

as Vernon Dursley in Harry Potter Television Series

Nick Frost

as Rubeus Hagrid in Harry Potter Television Series

Andrew Scott

as Professor Quirrell in Harry Potter Television Series

Emma Thompson

as Professor Mcgonagall in Harry Potter Television Series

Adam Driver

as Professor Snape in Harry Potter Television Series

Michael Caine

as Professor Dumbledore in Harry Potter Television Series

Brendan Fraser

as Richard O'connell in Dark Universe

Ramin Djawadi

as Composer in Dark Universe

Patty Jenkins

as Director in SUPERGIRL : The Movie (DCEU)

Bradley Cooper

as Flash in DC Universe Reboot - Fan Casting