Batman Unlimited: Monster Mayhem Online

Troy Baker - The Joker (voice) , Eric Bauza - Houston Raines (voice) , Steve Blum - Gruff Cop / Watchman #2 (voice) , Janell Cox - Anna / Computer (voice) , Brian T. Delaney - Scarecrow (voice) , Chris Diamantopoulos - Green Arrow (voice) , Alastair Duncan - Alfred Pennyworth (voice) , Richard Epcar - Commissioner Gordon (voice) , Noel Fisher - Gogo Shoto (voice) , Will Friedle - Nightwing (voice) , Yuri Lowenthal - Red Robin (voice) , Dave B. Mitchell - Clayface (voice) , Khary Payton - Cyborg (voice) , Roger Craig Smith - Batman (voice) , Fred Tatasciore - Solomon Grundy / Newscaster (voice)