Scooby-Doo! and Krypto, Too!

Frank Welker

as

Scooby-Doo / F...

Grey DeLisle

as

Daphne Blake /...

Matthew Lillard

as

Shaggy Rogers ...

Kate Micucci

as

Velma Dinkley ...

P.J. Byrne

as

J.B. (voice)

Victoria Grace

as

Mercy (voice)

Charles Halford

as

Lex Luthor (vo...

Nolan North

as

Computer / Jok...

Tara Strong

as

Helen / Lois L...

Fred Tatasciore

as

Solomon Grundy...

James Arnold T...

as

Jimmy Olsen / ...

Niccole Thurman

as

Mayor Flemming...

Sam Vincent

as

Krypto (voice)

Brian Drummond

as

Streaky (voice)

Scott McNeil

as

Ace (voice)