Batman [Bruce Wayne] (also in flashback); Nightwing [Dick Grayson]; Tim Drake [Robin]; Alfred Pennyworth; Leslie Thompkins; Lucius Fox; Catwoman [Selina Kyle]; Thomas Elliot (flashback); Joker; Harvey Dent [Two-Face] (possibly Hush in disguise); Riddler [Edward Nigma]
Synopsis
After the funeral of Thomas Elliot, Batman and Nightwing team up to stop the Riddler.