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.

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)

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