Suggestions by @elephantbeard

David Errigo Jr.

as Mister Mxyzptlk in My Adventures with Superman: Krypton

Score: +1

Kari Wahlgren

as Martha Kent in My Adventures with Superman: Krypton

Score: +1

Reid Scott

as Jonathan Kent in My Adventures with Superman: Krypton

Score: +1

Vincent Tong

as Steve Lombard in My Adventures with Superman: Krypton

Score: +1

Byron Marc Newsome

as John Henry Iron / Steel in My Adventures with Superman: Krypton

Score: +1

Laila Berzins

as Rory / Heatwave in My Adventures with Superman: Krypton

Score: +1

Vincent Tong

as Albert / Rough House in My Adventures with Superman: Krypton

Score: +1

Lucas Grabeel

as Kyle / Mist in My Adventures with Superman: Krypton

Score: +1

Catherine Taber

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

Score: +1

Zehra Fazal

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

Score: +1

White Wolf

as Konrad the Superwolf in My Adventures with Superman: Krypton

Score: +1

White Horse

as Comet the Superhorse in My Adventures with Superman: Krypton

Score: +1

Zeno Robinson

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

Score: +1

Amandla Stenberg

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

Score: +1

White Cat

as Streaky the Supercat in My Adventures with Superman: Krypton

Score: +1

Kitten

as Young Streaky in My Adventures with Superman: Krypton

Score: +1

Puppy

as Young Krypto in My Adventures with Superman: Krypton

Score: +1

Krypto the dog

as Krypto the Superdog in My Adventures with Superman: Krypton

Score: +1

Lexi Rabe

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

Score: +1

Cade Woodward

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

Score: +1