The Mystery of the Batman: Case of the Dark Knight

Untitled Batman/Case Closed Crossover is a crossover work of Batman: The Animated Series and Case Closed.

From Batman:

 * Batman
 * Batgirl
 * Alfred Pennyworth
 * Commissioner James Gordon
 * The Joker
 * Harley Quinn
 * Catwoman
 * Poison Ivy

From Case Closed:

 * Jimmy Kudo
 * Rachael Moore
 * Richard Moore
 * Amy Yeager
 * Mitch Tennison
 * Inspector Joseph Meguire
 * Nicholas Santos