Season Regulars 10

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. 

   Azie Tesfai

   Kelly Olsen / Guardian

8. 

   Julie Gonzalo

   Andrea Rojas / Acrata

9. 

   Staz Nair

   William Dey

10. 

    Andrea Brooks

    Eve Tessmacher / Hope

Guest Stars 7

1. 

   LaMonica Garrett

   Mar Novu / The Monitor

2. 

   Tom Cavanagh

   Harrison 'Nash' Wells / Pariah

3. 

   Phil LaMarr

   Malefic J'onzz

4. 

   Mitch Pileggi

   Rama Khan

5. 

   Cara Buono

   Gamemnae / Gemma Cooper

6. 

   Jay Clift

   Lead FBI Agent

7. 

   Jon Cryer

   Lex Luthor

Crew 4