Suggestions by @masterlawdog

Ruth Wilson

as Dolores Umbridge in Bryan Seeker's Harry Potter Series

Meryl Streep

as Dolores Umbridge in Bryan Seeker's Harry Potter Series

Sean Bean

as Alastor 'Mad-Eye' Moody in Bryan Seeker's Harry Potter Series

Mads Mikkelsen

as Lord Voldemort in Bryan Seeker's Harry Potter Series

Joseph Gilgun

as Peter Pettigrew in Bryan Seeker's Harry Potter Series

James McAvoy

as Sirius Black in Bryan Seeker's Harry Potter Series

Cillian Murphy

as Lucius Malfoy in Bryan Seeker's Harry Potter Series

Alex Lawther

as Tom Riddle in Bryan Seeker's Harry Potter Series

Benedict Cumberbatch

as Severus Snape in Bryan Seeker's Harry Potter Series

James Cosmo

as Albus Dumbledore in Bryan Seeker's Harry Potter Series

Jack O'Connell

as Charlie Weasley in Bryan Seeker's Harry Potter Series

Benedict Cumberbatch

as Lord Voldemort in Bryan Seeker's Harry Potter Series

Jeremy Irons

as Aragog (voice) in Bryan Seeker's Harry Potter Series

Beanie Feldstein

as Moaning Myrtle in Bryan Seeker's Harry Potter Series

Simon Pegg

as Peeves the Poltergeist in Bryan Seeker's Harry Potter Series

Rowan Atkinson

as Nearly Headless Nick in Bryan Seeker's Harry Potter Series

Will Keen

as Amycus Carrow in Bryan Seeker's Harry Potter Series

Samantha Morton

as Alecto Carrow in Bryan Seeker's Harry Potter Series

Tom Hardy

as Fenrir Greyback in Bryan Seeker's Harry Potter Series

Eva Green

as Bellatrix Lestrange in Bryan Seeker's Harry Potter Series