S4E20 · Intiation Aux Secrets Des Civilisations Passées

Jesse McCartney

Dick Grayson / Robin / Nightwing (voice)

Khary Payton

Kaldur'ahm / Aquaman (voice)

Nolan North

Conner Kent / Superboy (voice)

Danica McKellar

M'gaan M'orzz / Megan Morse / Miss Martian (voice)

Stephanie Lemelin

Artemis Crock / Artemis / Tigress (voice)

Greg Cipes

Garfield Logan / Beast Boy (voice)

Lacey Chabert

Zatanna Zatara / Zatanna (voice)

Denise Boutte

Raquel Ervin / Rocket (voice)

Dee Bradley Baker

Green Lantern Tomar-Re (voice)

Denise Boutte

Celestia / Faora Hu-Ul (voice)

Ben Diskin

Ma'alefa'ak / Orion (voice)

Bill Fagerbakke

Bear (voice)

Andrew Kishino

Mantis / Jax-Ur (voice)

Phil LaMarr

Metron / Vor-Kil (voice)

Geoff Pierson

Flash (voice)

Kevin Michael Richardson

Vykin / Green Lantern Kilowog (voice)

Phil Morris

Lor-Zod / Dru-Zod (voice)

Jason Spisak

Forager (voice)

Vanessa Marshall

Dinah Lance / Ursa Zod (voice)

Nolan North

Kru-El (voice)