Pravidelné obsadenie série 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. 

   Odette Annable

   Samantha Arias / Reign

6. 

   Chris Wood

   Mon-El

7. 

   Jeremy Jordan

   Winn Schott

8. 

   Mehcad Brooks

   James 'Jimmy' Olsen / Guardian

Hosťujúce hviezdy 14

1. 

   Adrian Pasdar

   Morgan Edge

2. 

   Emma Tremblay

   Ruby Arias

3. 

   Amy Jackson

   Imra Ardeen

4. 

   Andre Anthony

   Edge's Assistant

5. 

   Erica Durance

   Alura Zor-El

6. 

   Laura K. MacDonald

   Agent #1

7. 

   Patrick Rinehart

   Agent #2

8. 

   Alison Thornton

   Young Girl

9. 

   Carl Lumbly

   Myr'nn J'onzz

10. 

    Briana Venskus

    Agent Susan Vasquez

11. 

    Paul Piaskowski

    Seller

12. 

    Dexter Bell

    Buyer

13. 

    Sonia Sunger

    News Anchor

14. 

    Chad Lowe

    Thomas Coville

Štáb 5