Säsongens återkommande skådespelare 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

Gästskådespelare 14

1. 

   Floriana Lima

   Maggie Sawyer

2. 

   Yael Grobglas

   Gayle Marsh / Psi

3. 

   Derick Agyemang

   Security Guard #1

4. 

   Nicole Anthony

   Female Customer

5. 

   Ken Godmere

   Male Customer

6. 

   Chelsea Gill

   Bank Teller

7. 

   David Lennon

   Cop

8. Norman Misura

   Crane Operator

9. 

   Angela Moore

   Principal Coburn

10. 

    Hugo Raymundo

    Guard

11. 

    Emma Tremblay

    Ruby Arias

12. 

    Erica Durance

    Alura Zor-El

13. 

    Sharon Leal

    M'gann M'orzz

14. 

    Andrea Brooks

    Eve Tessmacher

Medarbetare 4