Season Regulars 2

1. 

   Kaley Cuoco

   Harley Quinn (voice)

2. 

   Lake Bell

   Poison Ivy (voice)

Guest Stars 14

1. 

   Rachel Dratch

   Nora Freeze (voice)

2. 

   Alan Tudyk

   The Joker (voice)

3. 

   Jeannie Tirado

   Volcana (voice)

4. 

   Briana Cuoco

   Batgirl / Barbara Gordon (voice)

5. 

   Kerry Knuppe

   Terra (voice)

6. 

   Vico Ortiz

   Tefe (voice)

7. 

   Jacob Tremblay

   Middle-Aged Robin (voice)

8. 

   Diedrich Bader

   Gorilla Grodd (voice)

9. 

   Larissa Gallagher

   Time Sphere (voice)

10. 

    Tony Hale

    Dr Psycho / Steve (voice)

11. 

    Zosia Mamet

    Princess Ladyfingers (voice)

12. 

    Vanessa Marshall

    Wonder Woman / Kaya (voice)

13. 

    Christopher Meloni

    Gordon (voice)

14. 

    Gary Anthony Williams

    King Baby (voice)

Crew 2