Suggestions by @heythere

Tom Holland

as James Sirius Potter in Harry Potter: Hogwarts the Next Generation

Charlie Heaton

as Teddy Lupin in Harry Potter: Hogwarts the Next Generation

Lucky Blue Smith

as Scorpius Malfoy in Harry Potter: Hogwarts the Next Generation

Levi Miller

as Louis Weasley in Harry Potter: Hogwarts the Next Generation

Sam Taylor Buck

as Hugo Weasley in Harry Potter: Hogwarts the Next Generation

Sarah Gadon

as Victorie Weasley in Harry Potter: Hogwarts the Next Generation

Tom Holland

as James Sirius Potter in James Potter and the Memory Diamond

Noah Schnapp

as Albus Severus Potter in James Potter and the Memory Diamond

Sam Taylor Buck

as Hugo Weasley in James Potter and the Memory Diamond

Sadie Sink

as Rose Weasley in James Potter and the Memory Diamond

Karen Gillan

as Molly Weasley in Harry Potter: Hogwarts the Next Generation

Tom Holland

as Scorpius Malfoy in Harry Potter: Hogwarts the Next Generation

Sophia Lillis

as Lucy Weasley in Harry Potter: Hogwarts the Next Generation