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 15

1. 

   LaMonica Garrett

   Mar Novu / The Monitor

2. 

   Carlos Valdes

   Cisco Ramon

3. 

   Danielle Panabaker

   Caitlin Snow / Killer Frost

4. 

   Jeremy Davies

   John Deegan

5. 

   Bob Frazer

   Roger Hayden / Psycho-Pirate

6. 

   John Wesley Shipp

   Barry Allen / The Flash (Earth 90) (archive footage)

7. 

   Grant Gustin

   Barry Allen / The Flash

8. 

   Stephen Amell

   Oliver Queen / Green Arrow

9. 

   Ruby Rose

   Kate Kane / Batwoman

10. 

    Tyler Hoechlin

    Clark Kent / Superman

11. 

    Elizabeth Tulloch

    Lois Lane

12. 

    Cassandra Jean Amell

    Nora Fries

13. 

    Adam Tsekhman

    Bartender

14. 

    Claudia Kai

    Young Woman

15. 

    David Ramsey

    John Diggle

Crew 5