Kara Danvers/Supergirl

Melissa Benoist

Alex Danvers

Chyler Leigh

James 'Jimmy' Olsen / Guardian

Mehcad Brooks

J'onn J'onzz / Martian Manhunter

David Harewood

Winslow "Winn" Schott

Jeremy Jordan

Lena Luthor

Katie McGrath

Cat Grant

Calista Flockhart

Lena Luthor

Katherine Elizabeth McGrath

Steve

Willie Garson

Querl "Brainy" Dox/Brainiac 5

Jesse Rath

Nia Nal / Dreamer

Nicole Maines

Mon-El

Chris Wood

Maggie Sawyer

Floriana Lima

Colonel Lauren Haley

April Parker Jones

Menagerie

Jessica Meraz

Agent Liberty

Sam Witwer

Guest Star

Jonathan Bennett

Mercy Graves

Rhona Mitra

Lillian Luthor

Brenda Strong

Nia's Mother

Kate Burton

Lex Luthor

Jon Cryer

Eve Tessmacher / Hope

Andrea Brooks

Manchester Black

David Ajala

Barry Allen / The Flash

Grant Gustin

Ben's Father

Xander Berkeley

Green Arrow

Stephen Amell

Kelly Olsen / Guardian

Azie Tesfai

Clark Kent / Superman

Tyler Hoechlin

Andrea Rojas / Acrata

Julie Gonzalo

William Dey

Staz Nair

Samantha Arias / Reign

Odette Annable

Nyxlygsptlnz / 'Nyxly'

Peta Sergeant

M'gann M'orzz

Sharon Leal

Lucy Lane

Jenna Dewan

Ruby Arias

Emma Tremblay

Myr'nn J'onzz

Carl Lumbly

la président Olivia Marsdin

Lynda Carter

Maxwell Lord

Peter Facinelli

Agent Susan Vasquez

Briana Venskus

Eliza Danvers

Helen Slater

Fiona Byrne

Tiya Sircar

Fish Head

Robert Zen Humpage

Otis Graves

Robert Baker

Raymond Jensen

Anthony Konechny

Mitch

Matt Baram

le docteur Vose

Vincent Gale

Kesse Kay

Cardi Wong

Selena

Anjali Jay

District Attorney Diaz

Alison Araya

President Baker

Bruce Boxleitner

Al / Al #2

Keith Dallas

Alura Zor-El / Astra

Laura Benanti

Alura Zor-El / Noel Neill

Erica Durance

News Anchor / News Reporter / Newscaster

Arran Henn

MacKenzie

Jaymee Mak

le soldat

Sasha Piltsin

la mère

Latonya Williams

Non

Chris Vance

Valeronian

Kyle Strauts

Imra Ardeen

Amy Jackson

Gamemnae / Gemma Cooper

Cara Buono

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

Esme

Mila Jones

George Lockwood

Graham Verchere

Malefic J'onzz

Phil LaMarr

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

Young Kara

Izabela Vidovic

Sarah Walker / Regina Williams

Françoise Robertson

Young Alex

Olivia Nikkanen

Lydia Lockwood

Sarah Smyth

Patricia Arias / Owl (voice)

Betty Buckley

Zor-El

Jason Behr

Vita

Rosemary Hochschild

Orlando Davis

Jhaleil Swaby