Season Regulars 8

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. 

   Sam Witwer

   Ben Lockwood / Agent Liberty

8. 

   Mehcad Brooks

   James 'Jimmy' Olsen / Guardian

Guest Stars 19

1. 

   Rhona Mitra

   Mercy Graves

2. 

   Lynda Carter

   President Olivia Marsdin

3. 

   Bruce Boxleitner

   President Baker

4. 

   Mathew Yanagiya

   Nerdy Computer Programmer

5. 

   James Kot

   DEO Agent Two

6. 

   Fulvio Cecere

   Massimo

7. 

   Ese Atawo

   Counter Protestor

8. David Patrick Green

   Angry Protestor

9. 

   Sean Kuling

   DEO Agent One

10. 

    Shaquan Lewis

    Alien Protester

11. 

    Lissa Neptuno

    Mr. Average Joe

12. Christopher Webb

    Alien

13. 

    Anthony Konechny

    Raymond Jensen

14. 

    Kirby Morrow

    Officer Petrocelli

15. 

    Sean Hewlett

    Franklin

16. 

    Andrea Brooks

    Eve Tessmacher

17. 

    Robert Baker

    Otis Graves

18. 

    Jaymee Mak

    MacKenzie

19. 

    Keith Dallas

    Al

Crew 6