Season Regulars 10

1. 

   Melissa Benoist

   Kara Danvers / Supergirl / Kara Zor-El

2. 

   Chyler Leigh

   Alex Danvers / Sentinel

3. 

   David Harewood

   J'onn J'onzz / Martian Manhunter

4. 

   Katie McGrath

   Lena Luthor

5. 

   Jesse Rath

   Querl 'Brainy' Dox / Brainiac-5

6. 

   Nicole Maines

   Nia Nal / Dreamer

7. 

   Azie Tesfai

   Kelly Olsen / Guardian

8. 

   Julie Gonzalo

   Andrea Rojas / Acrata

9. 

   Staz Nair

   William Dey

10. 

    Andrea Brooks

    Eve Tessmacher / Hope

Guest Stars 20

1. 

   Mehcad Brooks

   James 'Jimmy' Olsen / Guardian

2. 

   Brea St. James

   Caroline O'Conner

3. 

   Sean Astin

   Pete Andrews

4. 

   Carl Lumbly

   Myr'nn J'onzz

5. Marcus Aurelio Jr.

   Martian Boy #3

6. 

   Cassandra Cavalli

   Counter Lady

7. Hunter Dong

   Coffe Cart Barista

8. Ava Frica

   Martian Child #4

9. 

   Marcello Guedes

   Young Malefic

10. 

    Eric Gustafsson

    Receptionist

11. 

    Babak Haleky

    Janitor

12. 

    Balinder Johal

    Old Lady

13. 

    Marc-Anthony Massiah

    Dr. Andrew Stern

14. Ethan Matute

    Martian Child #2

15. Antonio Ndala

    Young J'onn

16. 

    Dominique Robinson

    Young Adult Malefic

17. 

    Sasha Rojen

    Martian Child #1

18. Larry MacDonald

    Strange Man

19. 

    Sean Hewlett

    Franklin

20. 

    Malcolm Masters

    Dr. Niles Jarrod

Crew 4