Full Cast
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Frank Welker
Scooby-Doo / Fred Jones (voice)
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Grey DeLisle
Daphne Blake / Wonder Woman (voice)
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Matthew Lillard
Shaggy Rogers (voice)
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Kate Micucci
Velma Dinkley (voice)
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P.J. Byrne
J.B. (voice)
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Victoria Grace
Mercy (voice)
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Charles Halford
Lex Luthor (voice)
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Nolan North
Computer / Joker / Superman (voice)
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Tara Strong
Helen / Lois Lane / Harley Quinn (voice)
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Fred Tatasciore
Solomon Grundy / Perry White (voice)
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James Arnold Taylor
Jimmy Olsen / Rex Ruthor (voice)
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Niccole Thurman
Mayor Flemming (voice)
