William Baldwin as Batman (voice)

Mark Harmon as Superman (voice)

Chris Noth as Lex Luthor (voice)

Gina Torres as Superwoman (voice)

James Woods as Owlman (voice)

Jonathan Adams as J'Onn J'Onzz (voice)

Brian Bloom as Ultraman (voice)

Bruce Davison as President Wilson (voice)

Josh Keaton as Flash (voice)

Vanessa Marshall as Wonder Woman (voice)

Nolan North as Green Lantern (voice)

Freddi Rogers as Rose Wilson (voice)

James Patrick Stuart as Johnny Quick (voice)

Carlos Alazraqui as Breakdance (voice)

Richard Green as Jimmy Olsen (voice)

Jim Meskimen as Captain Super (voice)

Andrea Romano as Watchtower Computer (voice)

Bruce Timm as Uncle Super (voice)

Kari Wuhrer as Model Citizen (voice)

Cedric Yarbrough as Firestorm (voice)