David Corenswet

as Superman / Clark Kent / Kal-El

Rachel Brosnahan

as Lois Lane

Nicholas Hoult

as Lex Luthor

Edi Gathegi

as Michael Holt / Mr. Terrific

Anthony Carrigan

as Rex Mason / Metamorpho

Nathan Fillion

as Guy Gardner / Green Lantern

Isabela Merced

as Kendra Saunders / Hawkgirl

María Gabriela de Faría

as Angela Spica / The Engineer

Sara Sampaio

as Eve Teschmacher

Skyler Gisondo

as Jimmy Olsen

Terence Rosemore

as Otis

Wendell Pierce

as Perry White

Pruitt Taylor Vince

as Jonathan 'Pa' Kent

Neva Howell

as Martha 'Ma' Kent

Beck Bennett

as Steve Lombard

Mikaela Hoover

as Cat Grant

Christopher McDonald

as Ron Troupe

Paige Mobley

as

Frank Grillo

as Rick Flag Sr.

Stephen Blackehart

as

Will Reeve

as TV Reporter

Alan Tudyk

as Superman Robot #4 (voice)

Michael Rooker

as Superman Robot #5 (voice)

Grace Chan

as Superman Robot #12 (voice)

Milly Alcock

as Kara Zor-El / Supergirl

Michael Rosenbaum

as (voice)