Peter Weller

Batman / Bruce Wayne (voice)

Ariel Winter

Robin / Carrie Kelley (voice)

David Selby

James Gordon (voice)

Wade Williams

Harvey Dent / Two-Face (voice)

Michael McKean

Dr. Bartholomew Wolper (voice)

Rob Paulsen

Jeff Adams (voice)

Gary Anthony Williams

Mutant Leader / Anchor Bill (voice)

Gary Anthony Sturgis

Silk / Other Spike / Young Mutant (voice)

Paget Brewster

Lana Lang (voice)

Carlos Alazraqui

Hernando / TV Host (voice)

Dee Bradley Baker

Don / Fat Mutant / Additional Voices (voice)

Maria Canals-Barrera

Yindel (voice)

Cathy Cavadini

Joanie / Woman with Hot Dog (voice)

Townsend Coleman

Morrie / Civilian (voice)

Grey DeLisle

Anchor Carla / Female Mutant (voice)

Greg Eagles

Mackie (voice)

Michael Emerson

Joker (voice)

Michael Jackson

Alfred Pennyworth (voice)

Maurice LaMarche

Dr. Willing / News Anchor (voice)

Sam McMurray

Anchor Ted (voice)