When the Justice League goes missing and villains overrun Metropolis, there's only one team that can solve this mystery: Scooby-Doo and the gang! But wait, there's a new dog in town – Krypto – Superman's Superdog with Super Powers. Mystery Inc. will need all the help it can get when phantoms menace the Justice League's headquarters.
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Frank Welker
Scooby-Doo / Fred Jones (voice)
Grey DeLisle
Daphne Blake / Wonder Woman (voice)
Matthew Lillard
Shaggy Rogers (voice)
Kate Micucci
Velma Dinkley (voice)
P.J. Byrne
J.B. (voice)
Victoria Grace
Mercy (voice)
Charles Halford
Lex Luthor (voice)
Nolan North
Computer / Joker / Superman (voice)
Tara Strong
Helen / Lois Lane / Harley Quinn (voice)
Fred Tatasciore
Solomon Grundy / Perry White (voice)
James Arnold Taylor
Jimmy Olsen / Rex Ruthor (voice)
Niccole Thurman
Mayor Flemming (voice)
