Suggestions by @elephantbeard

Melissa Benoist

as Alura In-Ze in Last Children of Krypton

Score: +1

Bill Hader

as Kryptonian High Councilman (Ka-Do) in Absolute Superman (Inself Style)

Score: +1

Keanu Reeves

as Kryptonian High Councilman (Ka-Do) in Absolute Superman (Inself Style)

Score: -1

Kevin Michael Richardson

as Doomsday (Dru-Zod's Monster, The CEO of Kryptonian Empire) in Absolute Superman (Inself Style)

Score: +1

Jason Marnocha

as Lobo in Absolute Superman (Inself Style)

Score: +1

Dog Sound Effects

as Krypto the Superdog in My Adventures with Superman: Krypton

Score: -1

Dog Sound Effects

as Young Krypto in My Adventures with Superman: Krypton

Score: -1

Kiana Madeira

as Kara Zor-El / Supergirl (Princess of House of El) in My Adventures with Superman: Krypton

Score: +1

Maia Kealoha

as Young Kara Zor-El in My Adventures with Superman: Krypton

Score: +1

Jack Quaid

as Kal-El / Superman (Prince of House of El) in My Adventures with Superman: Krypton

Score: +1

Kari Wahlgren

as Young Kal-El in My Adventures with Superman: Krypton

Score: -1

Robert Downey Jr.

as John Corben (The Sixth-in-Command of the Task Force X) in Absolute Superman (Inself Style)

Score: +1

Maia Kealoha

as Young Kara Zor-El in Absolute Superman (Inself Style)

Score: +1

Jolie Hoang-Rappaport

as Young Lois Lane in Absolute Superman (Inself Style)

Score: +1

Kari Wahlgren

as Young Kal-El in Absolute Superman (Inself Style)

Score: +1

Olivier Richters

as Non in Superman Rogues Gallery

Score: -1

Tyler Mane

as Non in Superman Rogues Gallery

Score: 0

Nathan Jones

as Non in Superman Rogues Gallery

Score: +1

Rahul Kohli

as General Zod in Superman Rogues Gallery

Score: +1

Giancarlo Esposito

as Brainiac in Superman: Krypton (Movie; 2025)

Score: +1