Scooby-Doo! and Krypto, Too!

as Lex Luthor (voice)

as Scooby-Doo / Fred Jones (voice)

as Solomon Grundy / Perry White (voice)

as Daphne Blake / Wonder Woman (voice)

as Jimmy Olsen / Rex Ruthor (voice)

as Velma Dinkley (voice)

as Shaggy Rogers (voice)

as Mayor Flemming (voice)

as Computer / Joker / Superman (voice)

as J.B. (voice)

as Helen / Lois Lane / Harley Quinn (voice)

as Mercy (voice)