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 13

1. Graeme Guthrie

   Col. McAllister

2. 

   Russell Wong

   General Tan

3. 

   April Parker Jones

   Colonel Lauren Haley

4. 

   Bethany Brown

   Instructor

5. 

   Jojo Ahenkorah

   DEO Agent #1

6. Mehdi Darvish

   DEO Agent #2

7. 

   Hamza Fouad

   Agent Lawrence

8. Sue Ing

   DEO Agent #4

9. 

   Raphael Kepinski

   Kasnian General

10. Sonny Litt

    Agent Wolf

11. 

    Toni Nielsen

    DEO Agent #3

12. 

    Sasha Piltsin

    Kasnian Soldier

13. 

    Donna Benedicto

    DEO Agent

Crew 5