The Riddler [Edward Nygma]; King Tut [Victor Goodman]; Lex Luthor; Batman [Bruce Wayne]; Mister Freeze [Victor Fries]; Cheetah [Barbara Ann Minerva]; Gorill Grodd; Ra's Al Ghul; Black Manta; Thaal Sinestro (image in magazine); Commissioner James Gordon; unnamed Gotham City police officers; Dale (Smallville resident, flashback); Edward Nygma's mother (flashback); Edward Nygma's teacher (flashback); unnamed truck driver (flashback); unnamed fortune teller (flashback)
Synopsis
After Luthor does not offer him a gift like he did with so many other villains, the Riddler re-thinks his purpose in life while team-up with King Tut to capture Batman in a lame death-trap.