Batman: Arkham Asylum

Mark Hamill

The Joker / Scarface (voice)

Kevin Conroy

Batman / Bruce Wayne / Thomas Wayne (voice)

Arleen Sorkin

Harley Quinn / Harleen Quinnzel (voice)

Tom Kane

Jim Gordon / Quincy Sharp / Louie Green / Amadeus Arkham (voice)

Steve Blum

Killer Croc / Ian Kennedy / Jordan Fraser (voice)

Danny Jacobs

Zsasz / Frank Boles / Robert Stirling / Masked Guard #1 (voice)

Dino Andrade

The Scarecrow / Lunatic #1 (voice)

Tasia Valenza

Poison Ivy / Pamela Isley / Martha Wayne (voice)

Fred Tatasciore

Bane / Henchman #2 / Carl Todd (voice)

Wally Wingert

The Riddler / Bob Johnson / Adrian Chen / Luke Curtis (voice)

Kimberly Brooks

Oracle / Bruce Wayne (Child) / Sarah Cassidy (voice)

Cree Summer

Dr. Penelope 'Penny' Young (voice)

Adrienne Barbeau

Gretchen Whistler / Voice of Arkham (voice)

Chris Cox

Eddie Burlow / Masked Orderly #2 / Masked Guard #3 (voice)

Keith Ferguson

Lunatic #2 / Stephen Kellerman / TV Voice (voice)

Chris Gardner

Henry Smith / Zach Franklin / Henchman #4 (voice)

Roger Rose

William North / Masked Guard #4 / Masked Orderly #1 (voice)

Duane R. Shepard Sr.

Aaron Cash / Henchman #6 / Wayne Family Killer (voice)

Rick D. Wasserman

Henchman #1 / Gotham Cop (voice)

James Horan

Henchman #3 / Masked Orderly #3 / Jack Ryder (voice)

George Dzundza

Blackgate Thug #1 (voice) (uncredited)

Kari Wahlgren

Additional Voices (voice) (uncredited)