Arkham Asylum

Showrunner

Writer

John Doe - Patient J

Detective Harvey Bullock

Dr. Jeremiah Arkham - Arkham mental hospital Director

Dr. Hugo Strange - Arkham's Head of crisis stabilization unit

Dr. Leslie Thompkins - Arkham's Head of mental health counseling unit

Harleen Quinzel - Arkham's mental health counselor

Lyle Bolton - Arkham's chief of security - Lock Up

Edward Nashton - The Riddler

Viktor Zsasz - Game gambler and psycho killer ("The Card Counter" inspiration)

Daedalus Boch - Doodlebug

Matthew Warner

Julian Gregory Day - Calendar Man

Jervis Tetch - Mad Hatter

Echoterrorist Pamela Isley

The cannibalist Cornelius Stirk