Suggestions by @iskelaofthenight

Aneurin Barnard

as Severus Snape in The Marauders(story removed)

Score: +1

Jim Broadbent

as Horace Slughorn in The Marauders(story removed)

Score: +1

Matthew Beard

as Severus Snape in The Marauders(story removed)

Score: +1

Saoirse Ronan

as Pandora Lovegood in The Marauders(story removed)

Score: +1

Anya Taylor-Joy

as Rita Skeeter in The Marauders(story removed)

Score: +1

Esmé Creed-Miles

as Andromeda Black in The Marauders(story removed)

Score: +1

Josh Bolt

as Amos Diggory in The Marauders(story removed)

Score: +1

Lola Kirke

as Molly Prewett in The Marauders(story removed)

Score: +1

Ian Somerhalder

as Rabastan Lestrange in The Marauders(story removed)

Score: +1

Bobby Lockwood

as Lucius Malfoy in The Marauders(story removed)

Score: +1

Craig Roberts

as Rodolphus Lestrange in The Marauders(story removed)

Score: +1

Eva Green

as Walburga Black in The Marauders(story removed)

Score: +1

Carey Mulligan

as Alice Fortescue in The Marauders(story removed)

Score: +1

Freddie Highmore

as Frank Longbottom in The Marauders(story removed)

Score: +1

Jessica Barden

as Marlene McKinnon in The Marauders(story removed)

Score: +1

Bel Powley

as Narcissa Black in The Marauders(story removed)

Score: +1

Katie McGrath

as Bellatrix Black in The Marauders(story removed)

Score: +1

Dayo Okeniyi

as Kingsley Shacklebolt in The Marauders(story removed)

Score: +1

Arthur Darvill

as Arthur Weasley in The Marauders(story removed)

Score: +1

Karen Gillan

as Lily Evans in The Marauders(story removed)

Score: +1