David Corenswet

Superman / Clark Kent / Kal-El

Rachel Brosnahan

Lois Lane

Nicholas Hoult

Lex Luthor

Edi Gathegi

Michael Holt / Mr. Terrific

Anthony Carrigan

Rex Mason / Metamorpho

Nathan Fillion

Guy Gardner / Green Lantern

Isabela Merced

Kendra Saunders / Hawkgirl

María Gabriela de Faría

Angela Spica / The Engineer

Sara Sampaio

Eve Teschmacher

Skyler Gisondo

Jimmy Olsen

Terence Rosemore

Otis

Wendell Pierce

Perry White

Pruitt Taylor Vince

Jonathan 'Pa' Kent

Neva Howell

Martha 'Ma' Kent

Beck Bennett

Steve Lombard

Mikaela Hoover

Cat Grant

Christopher McDonald

Ron Troupe

Paige Mobley

Frank Grillo

Rick Flag Sr.

Stephen Blackehart

Will Reeve

TV Reporter

Alan Tudyk

Superman Robot #4 (voice)

Michael Rooker

Superman Robot #5 (voice)

Grace Chan

Superman Robot #12 (voice)

Milly Alcock

Kara Zor-El / Supergirl

Michael Rosenbaum

(voice)