Suggestions by @redspawn

Kurt Russell

as Zeus in Wonder Girl: We are so similar

Luke Evans

as Mortimer Drake in Wonder Girl: We are so similar

Olga Kurylenko

as Diana Prince in Wonder Girl: We are so similar

Pierce Brosnan

as Kent V. Nelson in Wonder Girl: We are so similar

Zendaya

as Donna Troy in Wonder Girl: We are so similar

David Harbour

as Mr.Incredible in The Incredibles

An Unknown Child Actor

as Jonathan Kent in Superboy: Be a human

Alison Brie

as Lois Lane in Superboy: Be a human

Jason Isaacs

as Lex Luthor in Superboy: Be a human

Giancarlo Esposito

as J'onn J'onzz in Superboy: Be a human

Nathan Jones

as Solomon Grundy in Superboy: Be a human

Sadie Sink

as M'gann M'orzz in Superboy: Be a human

Brandon Routh

as Clark Kent in Superboy: Be a human

Milo Manheim

as Conner Kent in Superboy: Be a human

Joe Keery

as Roy Harper in Robin: Your own face

Sophia Lillis

as Sasha in Robin: Your own face

Warwick Davis

as Mister Toad in Robin: Your own face

Jake Gyllenhaal

as Thomas Elliot in Robin: Your own face

Maya Hawke

as Barbara Gordon in Robin: Your own face

Michael Palin

as Alfred Pennyworth in Robin: Your own face