Suggestions by @elephantbeard

Lucas Grabeel

as Kyle / Mist in My Adventures with Superman: Krypton

Catherine Taber

as Siobhan McDougal / Silver Banshee in My Adventures with Superman: Krypton

Zehra Fazal

as Leslie Willis / Livewire in My Adventures with Superman: Krypton

White Wolf

as Konrad the Superwolf in My Adventures with Superman: Krypton

White Horse

as Comet the Superhorse in My Adventures with Superman: Krypton

Zeno Robinson

as Klaz-Gan / Solarboy in My Adventures with Superman: Krypton

Amandla Stenberg

as Tidna Bi-Zak / Solar girl in My Adventures with Superman: Krypton

White Cat

as Streaky the Supercat in My Adventures with Superman: Krypton

Kitten

as Young Streaky in My Adventures with Superman: Krypton

Puppy

as Young Krypto in My Adventures with Superman: Krypton

Krypto the dog

as Krypto the Superdog in My Adventures with Superman: Krypton

Lexi Rabe

as Valora-El / Supergirl in My Adventures with Superman: Krypton

Cade Woodward

as Bru-El / Superboy in My Adventures with Superman: Krypton

Kevin Quinn

as Kex-El / Superboy in My Adventures with Superman: Krypton

Everly Carganilla

as Young Lois Lane in My Adventures with Superman: Krypton

Joel de la Fuente

as General Sam Lane in My Adventures with Superman: Krypton

Elizabeth Banks

as Alura In-Ze in My Adventures with Superman: Krypton

Chris Pine

as Zor-El in My Adventures with Superman: Krypton

Rhea Seehorn

as Lara Lor-Van (Co-Primus of the House of El) in My Adventures with Superman: Krypton

Jason Marnocha

as Jor-El (Co-Primus of the House of El) in My Adventures with Superman: Krypton