Suggestions by @anorak

Cillian Murphy

as Alphard Black in The Marauders(story removed)

Score: +1

Aneurin Barnard

as Severus Snape in The Marauders(story removed)

Score: +1

Jim Sturgess

as Frank Longbottom in The Marauders(story removed)

Score: +1

Carey Mulligan

as Alice Longbottom in The Marauders(story removed)

Score: +1

Tom Hughes

as Tom Riddle in The Marauders(story removed)

Score: +1

Sarah Gadon

as Narcissa Black in The Marauders(story removed)

Score: +1

Keira Knightley

as Andromeda Black in The Marauders(story removed)

Score: +1

Colin Firth

as Orion Black in The Marauders(story removed)

Score: +1

Eva Green

as Walburga Black in The Marauders(story removed)

Score: +1

Timothée Chalamet

as Regulus Black in The Marauders(story removed)

Score: +1

Lily Collins

as Mary Macdonald in The Marauders(story removed)

Score: +1

Katie McGrath

as Bellatrix Black in The Marauders(story removed)

Score: +1

Alicia Vikander

as Marlene McKinnon in The Marauders(story removed)

Score: +1

Dane DeHaan

as Peter Pettigrew in The Marauders(story removed)

Score: +1

Sophie Skelton

as Lily Evans in The Marauders(story removed)

Score: +1

Andrew Garfield

as Remus Lupin in The Marauders(story removed)

Score: +1

Ben Barnes

as Sirius Black in The Marauders(story removed)

Score: +1

Aaron Taylor-Johnson

as James Potter in The Marauders(story removed)

Score: +1

Chad Lindberg

as Kurt Goreshter in Iron Man (2008)(story removed)

Score: +1

Samantha Ferris

as Mar-Vell in Iron Man (2008)(story removed)

Score: +1