Kara Danvers / Supergirl / Kara Zor-El

Melissa Benoist

Alex Danvers

Chyler Leigh

James 'Jimmy' Olsen / Guardian

Mehcad Brooks

Hank Henshaw/J'onn J'onzz

David Harewood

Winslow "Winn" Schott

Jeremy Jordan

Lena Luthor

Katie McGrath

Cat Grant

Calista Flockhart

Nia Nal/Dreamer

Nicole Maines

Mon-El

Chris Wood

Querl "Brainy" Dox/Brainiac 5

Jesse Rath

Maggie Sawyer

Floriana Lima

Colonel Lauren Haley

April Parker Jones

Agent Liberty

Sam Witwer

Andrea Rojas

Julie Gonzalo

Kelly Olsen

Azie Tesfai

William Dey

Staz Nair

Eve Tessmacher / Hope

Andrea Brooks

Esme

Mila Jones

Zor-El

Jason Behr

Joey

Aiden Stoxx

Lex Luthor

Jon Cryer

Young Kara

Izabela Vidovic

Gamenmae

Cara Buono

Mauve

Hannah James

Orlando Davis

Jhaleil Swaby

Young Cat Grant

Eliza Helm

Nia's Mother

Kate Burton

Nyxlygsptlnz / 'Nyxly'

Peta Sergeant

Mr.Mxyzptlk

Thomas Lennon

Diggle

David Ramsey

Samantha Arias / Reign

Odette Annable

Lillian Luthor

Brenda Strong

M'gann M'orzz

Sharon Leal

Lucy Lane

Jenna Dewan

Ruby Arias

Emma Tremblay

Myr'nn J'onzz

Carl Lumbly

Maxwell Lord

Peter Facinelli

Agent Susan Vasquez

Briana Venskus

Eliza Danvers

Helen Slater

Fish Head

Robert Zen Humpage

Otis Graves

Robert Baker

Mitch

Matt Baram

Lynda Boyd

Selena

Anjali Jay

President Baker

Bruce Boxleitner

Alura Zor-El / Astra

Laura Benanti

Alura Zor-El / Noel Neill

Erica Durance

News Anchor / News Reporter / Newscaster

Arran Henn

Jaymee Mak

Al / Al #2

Keith Dallas

Non

Chris Vance

Imra Ardeen

Amy Jackson

Snapper Carr

Ian Gomez

Rhea

Teri Hatcher

Male Newscaster / News Anchor / News Anchor #1

Jay Jackson

Young Kara Zor-El

Malina Weissman

Demos

Curtis Lum

Margot / Leviathan Agent / Woman

Patti Allan

News Anchor / Newscaster / Reporter

Sonia Sunger

DEO Agent / Agent Reiff

Donna Benedicto

Thomas Coville

Chad Lowe

Manchester Black

David Ajala

George Lockwood

Graham Verchere

Malefic J'onzz

Phil LaMarr

Clark Kent / Superman

Tyler Hoechlin

President Olivia Marsdin

Lynda Carter

Jeremiah Danvers

Dean Cain

Julia Freeman / Purity

Krys Marshall

Brian

Josh Hallem

Franklin

Sean Hewlett

Totem Oracle (voice)

Andrew Morgado

Mar Novu / The Monitor

LaMonica Garrett

Lyra Strayd

Tamzin Merchant

Siobhan Smythe / Silver Banshee

Italia Ricci

Barry Allen / The Flash

Grant Gustin

Sarah Walker / Regina Williams

Françoise Robertson

Young Alex

Olivia Nikkanen

Raymond Jensen

Anthony Konechny

Lydia Lockwood

Sarah Smyth

Patricia Arias / Owl (voice)

Betty Buckley

Vita

Rosemary Hochschild