Tim Daly

Superman / Clark Kent (voice)

Dana Delany

Lois Lane (voice)

Kevin Conroy

Batman / Bruce Wayne (voice)

Clancy Brown

Lex Luthor (voice)

Mark Hamill

The Joker (voice)

Arleen Sorkin

Harley Quinn (voice)

Lisa Edelstein

Mercy Graves (voice)

Bob Hastings

Commissioner Gordon (voice)

Efrem Zimbalist Jr.

Alfred (voice)

Joseph Bologna

Dan Turpin (voice)

Robert Costanzo

Detective Bullock (voice)

George Dzundza

Perry White (voice)

Lauren Tom

Angela Chen (voice)

Brad Garrett

Bibbo (voice) (uncredited)