- Mark Hamill - The Joker (voice)
- Brad Garrett - Goliath (voice)
- Paul Winfield - Earl Cooper (voice)
- David Warner - Ra's al Ghul (voice)
- George Murdock - Boss Biggis (voice)
- Thomas F. Wilson - Zucco (voice)
- George DiCenzo - Ubu (voice)
- Brock Peters - Lucius Fox (voice)
- Ron Perlman - Driller (voice)
- William Sanderson - Karl Rossum (voice)
- Brion James - Additional Voices (voice)
- Jeffrey Tambor - Crocker (voice)
- LeVar Burton - Hayden Sloane (voice)
- Vincent Schiavelli - John Zatara (voice)
- Katherine Helmond - Connie (voice)
- John Rhys-Davies - 'Baron' Waclaw Jozek (voice)
- Earl Boen - Rhino (voice)
- Roy Dotrice - Frederick (voice)
- Treat Williams - Milo (voice)
- Jeffrey Jones - Nivens (voice)
- Greg Burson - Mad Dog (voice)
- Hector Elizondo - Fallbrook (voice)
- Nichelle Nichols - Thoth Khepera (voice)
- Bob Kane
- Bruce Timm
- Alan Burnett
- Andrea Romano
- Jean MacCurdy
- Tom Ruegger
- Paul Dini
- Danny Elfman
Mark Hamill hace el papel de The Joker (voice).
Brad Garrett hace el papel de Goliath (voice).
Paul Winfield hace el papel de Earl Cooper (voice).
David Warner hace el papel de Ra's al Ghul (voice).
George Murdock hace el papel de Boss Biggis (voice).
Thomas F. Wilson interpreta a Zucco (voice) en la serie.
George DiCenzo interpreta a Ubu (voice) en la serie.
Brock Peters interpreta a Lucius Fox (voice) en la serie.
Ron Perlman interpreta a Driller (voice) en la serie.
William Sanderson interpreta a Karl Rossum (voice) en la serie.
Capítulo disponible en las siguientes plataformas:
