Mae Whitman

as Barbara Gordon/Batgirl (voice)

Anais Fairweather

as Supergirl / Kara Zor-El (voice)

Grey DeLisle

as Wonder Woman / Platinum (voice)

Teala Dunn

as Bumblebee / Karen Beecher / Artemiz (voice)

Tara Strong

as Harley Quinn/ Harleen Quinzel / Poison Ivy / Pamela Isley (voice)

Phil LaMarr

as Doc Magnus (voice)

John DiMaggio

as Ambassador Bek (voice)

Jessica DiCicco

as Star Sapphire / Carol Ferris / Lashina (voice)

Yvette Nicole Brown

as Principal Waller (voice)

Nika Futterman

as Hawkgirl (voice)

Tania Gunadi

as Lady Shiva (voice)

Tom Kenny

as Sinestro / Lobo (voice)

Danica McKellar

as Frost (voice)

Fred Tatasciore

as Brainia / Kryptomites (voice)

Hynden Walch

as Starfire / Koriand'r/ Blackfire (voice)

Alexis G. Zall

as Lois Lane (voice)