Kevin Conroy
Batman / Bruce Wayne (voice)
Melissa Rauch
Harley Quinn (voice)
Paget Brewster
Pamela Isley / Poison Ivy (voice)
Loren Lester
Nightwing / Dick Grayson (voice)
Kevin Michael Richardson
Floronic Man / Jason Woodrue (voice)
Eric Bauza
Wesley (voice)
Trevor Devall
Bobby Liebowitz (voice)
John DiMaggio
Dr. Alec Holland / Swamp Thing (voice) / Sarge Steel (voice)
Robin Atkin Downes
Rhino (voice)
Rob Paulsen
Harold Goldblum (voice)
Mindy Sterling
Project Supervisor (voice)
Bruce Timm
Booster Gold (voice)