David Corenswet as Clark Kent/Superman
Emma Mackey as Lois Lane
Corey Stoll as Lex Luthor
Matthew Linz as Jimmy Olsen
Henry Thomas as Jonathan Kent
Jennifer Connolly as Martha Kent
Kate Hudson as Cat Grant
Sterling K. Brown as Perry White
Tom Hopper as John Corben/Metallo
Gregg Henry as Sam Lane
Caitroina Balfe as Lara Lor Van
Karl Urban as Jor-El
Pom Klementieff as Mercy Graces
Good list. Mine would be:
Superman - David Corenswet
Lois Lane - Rachel Brosnahan
Jimmy Olsen - Ty Simpkins
Perry White - Giancarlo Esposito
Martha Kent - Mary Louise Parker
Jonathan Kent - Nathan Fillion
Cat Grant - Connie Britton
Sam Lane - Gregg Henry
Jor El - Ralph Fiennes
Lara Lor Van - Caitriona Balfe
Lex Luthor - Austin Butler
Mercy Graves - Pom Klementieff
Brainiac - Matt Smith
Zod - Alexander Skarsgard
Metallo - Dan Stevens