Kara Danvers/Supergirl

Melissa Benoist

Cat Grant

Calista Flockhart

Alex Danvers

Chyler Leigh

James 'Jimmy' Olsen / Guardian

Mehcad Brooks

J'onn J'onzz / Martian Manhunter

David Harewood

Alura Zor-El / Astra

Laura Benanti

Lena Luthor

Katherine Elizabeth McGrath

Winslow "Winn" Schott

Jeremy Jordan

Colonel James Harper

Eddie McClintock

Barry Allen / The Flash

Grant Gustin

Senator Miranda Crane

Tawny Cypress

Lucy Lane

Jenna Dewan Tatum

Hayashi

Derek Mio

Querl 'Brainy' Dox / Brainiac-5

Jesse Rath

DEO Agent 2

Daniel Josev

Nia Nal / Dreamer

Nicole Maines

Paulina

Tristin Mays

Ben Krull / Reactron

Chris Browning

Agent Donovan

Luke Macfarlane

Non

Chris Vance

Tobey

Ben Begley

Adam Foster

Blake Jenner

Police Officer

Vincent Giovanni

Mon-El

Chris Wood

Red Tornado / T. O. Morrow

Iddo Goldberg

The Commander

Faran Tahir

Vartox

Owain Yeoman

Jemm

Charles Halford

Hellgrammite

Justice Leak

Police Officer

Frank Maharajh

Siobhan Smythe / Silver Banshee

Italia Ricci

Guard 1

Chris Jai Alex

Maxwell Lord

Peter Facinelli

Cat's Assistant

Maisie Klompus

Ethan Knox

Scott Michael Campbell

Indigo

Laura Vandervoort

Aisha Tyler

Aisha Tyler

Zor-El

Robert Gant

Commander Gor

Eric Steinberg

Field News Reporter

Angela Martinez

Leslie Willis/Livewire

Brit Morgan

Kelly Olsen / Guardian

Azie Tesfai

Agent Hartmann

Rich Ceraulo

Guard 2

David Salsa

Mom

Rebekah Salgado

Senior Tech

Ashton Bingham

Julie Chen

Julie Chen

Second Engineer

John Churchill

Another Staffer

Nick Jaine

Fire Chief

Preston James Hillier

KONC Newscaster

Jeannine Cota

Eve Tessmacher / Hope

Andrea Brooks

Rick Malverne

Zayne Emory

Agent Susan Vasquez

Briana Venskus

Dr. Jeremiah Danvers

Dean Cain

Winslow Schott / Toyman

Henry Czerny

Dad

Rudy Marquez

Agent Tsung

David Lim

Son

Juan Martinez

General Mathers

Patrick O'Connell

Newscaster

Kent Shocknek

Cat's Lawyer 1

Aaron Lustig

Tor

Christopher Showerman

Carl Draper / Master Jailer

Jeff Branson

Maggie Sawyer

Floriana Lima

Male Newscaster / News Anchor / News Anchor #1

Jay Jackson

Female Student 1

Mackenzie Brooke Smith

Katherine Grant

Joan Juliet Buck

Agent Reynolds

Ayo Sorrells

Guard 1

Justin Chu Cary

Sara Gilbert

Sara Gilbert

General Sam Lane

Glenn Morshower

An Engineer

Majeed Nami

Kal-El

Daniel DiMaggio

Guard 3

Isaac Keys

Cat's Lawyer 2

Rene Ashton

Security Guard

Bruno Amato

Andrea Rojas / Acrata

Julie Gonzalo

Dr. Eliza Danvers

Helen Slater

Fire Chief

Dan Warner

Professor Alphonse Luzano

Todd Sherry

Sheryl Underwood

Sheryl Underwood

Commander

Rey Hernandez

Guard 2

Frank Pacheco

Female Newscaster

Pilar Holland

Daughter

Jasmine Alveran

Young Kara Zor-El

Malina Weissman

Female Student 2

Jaidan Jiron

Girlfriend

Kelly Chavers

Fratty Dude

Michael Mealor

Woman

Stephanie Arcila

DEO Doctor

Sarah Robson

Alien Soldier

Ric Sarabia

Doctor

Kavita Patil

Store Owner

Zuhair Haddad

Pedestrian Woman

Dawn Greenidge

Doctor

Ron Bottitta

Pilot

Tom Waite

Gabriel Phillips

Blake Berris

Security Guard

Stephanie Czajkowski

Maxima

Eve Torres Gracie

Morning Talk Show Host

Nischelle Turner

Young Alex Danvers

Jordan Mazarati

William Dey

Staz Nair

Boyfriend

Ruben Vernier

Costumed Girl

Kitana Turnbull

Himself

Rick Garcia

Chester Dunholtz

Scott Alan Smith

Jim Warren

Ray Campbell

Reporter

Casey Strand

Board Member 1

Dar Dixon

Teacher

Renee Pezzotta

Little Boy

Cole Michaels

Scientist

Michael Albala

Waitress

Nerlyn Jean

Silo Guard 1

Sebastian Velmont

Mean Girl

KylieRae Condon

Herself

Leyna Nguyen

Cameron Chase

Emma Caulfield

Thug

Mike Owen

Samantha Arias / Reign

Odette Annable

Looter

Bryan Lugo

Jane Doe

Hope Lauren

Passenger

Joshua Triplett

Grandmother

Cheryl Turner

Lillian Luthor

Brenda Strong

Police Officer

Jennifer Sommerfeld

Girl

Avelena Wijesundera

Ben Lockwood / Agent Liberty

Samuel Witwer

Ricardo

Rey Valentin

Guy 2

Michael Hanson

Yale

Paul Stuart

Kelly

Carly Nykanen

Nyxlygsptlnz / 'Nyxly'

Peta Sergeant

Lex Luthor

Jon Cryer

Plane passenger

Sheila Collins

Pilot

Chris Anglin

M'gann M'orzz

Sharon Leal

Waitress

Kinna McInroe

Ruby Arias

Emma Tremblay

Myr'nn J'onzz

Carl Lumbly

Terrified Teen

Julien Yuen

Colonel Lauren Haley

April Parker-Jones

Fish Head

Robert Zen Humpage

Otis Graves

Robert Baker

Mitch

Matt Baram

Selena

Anjali Jay

Katie McGrath

President Baker

Bruce Boxleitner

Alura Zor-El / Noel Neill

Erica Durance

News Anchor / News Reporter / Newscaster

Arran Henn

Al / Al #2

Keith Dallas

MacKenzie

Jaymee Mak

Imra Ardeen

Amy Jackson

Gamemnae / Gemma Cooper

Cara Buono

Snapper Carr

Ian Gomez

Rhea

Teri Hatcher

Terrified Teen

Julian Yuen

Kal-El

Kevin Caliber

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

Manchester Black

David Ajala

George Lockwood

Graham Verchere

Malefic J'onzz

Phil LaMarr

Clark Kent / Superman

Tyler Hoechlin

President Olivia Marsdin

Lynda Carter

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

Young Kara

Izabela Vidovic

Sarah Walker / Regina Williams

Françoise Robertson

Young Alex

Olivia Nikkanen

Raymond Jensen

Anthony Konechny

Lydia Lockwood

Sarah Smyth

Patricia Arias / Owl (voice)

Betty Buckley

Zor-El

Jason Behr

Vita

Rosemary Hochschild

Orlando Davis

Jhaleil Swaby