Suggestions by @masterlawdog

John Barrowman

as Ludo Bagman in Bryan Seeker's Harry Potter Series

Charles Dance

as Barty Crouch Sr. in Bryan Seeker's Harry Potter Series

Hugh Bonneville

as Cornelius Fudge in Bryan Seeker's Harry Potter Series

Vladimir Mashkov

as Igor Karkaroff in Bryan Seeker's Harry Potter Series

Gwendoline Christie

as Madame Maxime in Bryan Seeker's Harry Potter Series

Rhys Ifans

as Argus Filch in Bryan Seeker's Harry Potter Series

Peter Dinklage

as Filius Flitwick in Bryan Seeker's Harry Potter Series

Luke Evans

as Sirius Black in Bryan Seeker's Harry Potter Series

Karen Gillan

as Lily Potter (Evans) in Bryan Seeker's Harry Potter Series

Richard Madden

as James Potter in Bryan Seeker's Harry Potter Series

Olivia Colman

as Petunia Dursley in Bryan Seeker's Harry Potter Series

Mark Addy

as Vernon Dursley in Bryan Seeker's Harry Potter Series

Alex Kingston

as Molly Weasley in Bryan Seeker's Harry Potter Series

Martin Freeman

as Arthur Weasley in Bryan Seeker's Harry Potter Series

Will Merrick

as Percy Weasley in Bryan Seeker's Harry Potter Series

Caleb Landry Jones

as Bill Weasley in Bryan Seeker's Harry Potter Series

George MacKay

as Cedric Diggory in Bryan Seeker's Harry Potter Series

Paul Bettany

as Xenophilius Lovegood in Bryan Seeker's Harry Potter Series

Rosamund Pike

as Rita Skeeter in Bryan Seeker's Harry Potter Series

Stephen Fry

as Horace Slughorn in Bryan Seeker's Harry Potter Series