The Next Generation

Arthur Bowen as Albus Severus Potter

Luca Hollestelle as Rose Weasley

Will Dunn as James Sirius Potter II

Bertie Gilbert as Scorpius Hyperion Malfoy

Daphne De Beistegui as Lily Luna Potter II

Ryan Turner as Hugo Weasley

Tom Webb as Teddy Lupin

Amber Heard as Victoire Weasley

Sabrina Carpenter as Dominique Weasley

Cody Simpson as Louis Weasley

Luke Pasqualino as Fred Weasley II

Zendaya Coleman as Roxanne Weasley

Leighton Meester as Molly Weasley II

Hailee Steinfeld as Lucy Weasley

Zoe Sugg as Alice Longbottom II

Nick Robinson as Frank Longbottom II

Hattie Gotobed as Jessica Morina

Chloë Grace Moretz as Hestia Dursley

Jack and Finn Harries as Lorcan and Lysander Scamander
(I couldn't find a young GIF)