Scooby-Doo! and Krypto, Too!

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)