Suggestions by @ratjesus

Finn Wolfhard

as Severus Snape in The Marauders(story private)

Score: +1

Sofia Bryant

as Mary Macdonald in The Marauders(story private)

Score: +1

Lewis Capaldi

as Peter Pettigrew in The Marauders(story private)

Score: +1

Lovie Simone

as Dorcas Meadows in The Marauders(story private)

Score: +1

Sophie Thatcher

as Marlene Mckinnon in The Marauders(story private)

Score: +1

Sebastian Croft

as Barty Crouch Jr. in The Marauders(story private)

Score: +1

Conan Gray

as Sirius Black in The Marauders(story private)

Score: +1

Conan Grey

as Sirius Black in The Marauders(story private)

Score: +1

William Gao

as Regulus Black in The Marauders(story private)

Score: +1

Evan Mock

as Evan Rosier in The Marauders(story private)

Score: +1

Amandla Stenberg

as Pandora Lovegood in The Marauders(story private)

Score: +1

Hunter Doohan

as Remus Lupin in The Marauders(story private)

Score: +1

Matthew Hitt

as Remus Lupin in The Marauders(story private)

Score: +1

Matt Hitt

as Remus Lupin in The Marauders(story private)

Score: +1

Hunter Doohan

as Remus Lupin in The Marauders(story private)

Score: +1

Lola Tung

as Lily Evans in The Marauders(story private)

Score: +1

Reiky de Valk

as James Potter in The Marauders(story private)

Score: +1

Stanley Tucci

as Caesar Flickerman in The Hunger Games(story private)

Score: +1