Season Regulars 2

1. 

   Kaley Cuoco

   Harley Quinn (voice)

2. 

   Lake Bell

   Poison Ivy (voice)

Guest Stars 16

1. 

   Giancarlo Esposito

   Lex Luthor (voice)

2. 

   Tisha Campbell

   Tawny (voice)

3. 

   Rachel Dratch

   Nora Freeze (voice)

4. 

   J.B. Smoove

   Frank the Plant (voice)

5. 

   Ben Levin

   Captain Cold (voice)

6. 

   Briana Cuoco

   Batgirl / Barbara Gordon (voice)

7. 

   Harvey Guillén

   Nightwing / Dick Grayson (voice)

8. 

   Jacob Tremblay

   Robin / Damian Wayne (voice)

9. 

   Paul W. Downs

   The Jons (voice)

10. 

    James Adomian

    Bane / Jeffrey's Handler (voice)

11. 

    Lacey Chabert

    Supergirl (voice)

12. 

    Kerry Knuppe

    Terra "Atlee" (voice)

13. 

    Christopher Meloni

    Jim Gordon / Jeffrey The Parrot (voice)

14. 

    Vico Ortiz

    Tefe Holland (voice)

15. 

    Jeannie Tirado

    Volcana / TSA Agent (voice)

16. Rain Valdez

    Alysia (voice)

Crew 2