In a two-part all-action, all adventure and part-time comedy special, many of the greatest superheroes of the DC Comics pantheon team up to take down some of their long-running enemies, then stop for a celebrity roast held in honor of Batman.
Batman
Robin
The Flash
Retired Man/Scarlet Cyclone
Sinestro
Dr. Sivana
Weather Wizard
Solomon Grundy
Green Lantern
Giganta
Captain Marvel
Black Canary
Hawkman
Mordru
The Huntress
Narrator (voice)
The Riddler
Woman in Phone Booth (uncredited)
The Atom
Aunt Minerva
Ghetto Man
Host