Meg Donnelly

Supergirl / Kara (voice)

Paul Bettany

Michael

Dennis Quaid

Bob Hanson

Harry Shum Jr.

Brainiac 5 (voice)

Jensen Ackles

Batman (voice)

Lucas Black

Jeep Hanson

Gideon Adlon

Phantom Girl (voice)

Kate Walsh

Sandra Anderson

Matt Bomer

The Flash (voice)

Tyrese Gibson

Kyle Williams

Adrianne Palicki

Charlie

Darren Criss

Superman (voice)

Robbie Daymond

TimberWolf / Brainiac 4 (voice)

Willa Holland

Audrey Anderson

Charles S. Dutton

Percy Walker

Darin De Paul

Brainiac / Solomon Grundy (voice)

Ben Diskin

Arms Fall Off Boy / Brainiac 2 (voice)

Jon Tenney

Howard Anderson

Kevin Durand

Gabriel

Victoria Grace

Shadow Lass (voice)

Doug Jones

Ice Cream Man

Jennifer Hale

Alura (voice)

Cynthia Hamidi

Dawnstar (voice)

Jeanette Miller

Gladys Foster

Cameron Harlow

Minivan Boy

Ely Henry

Bouncing Boy (voice)

Daisy Lightfoot

Triplicate Girl (voice)

Josh Stamberg

Burton

Eric Lopez

Cosmic Boy / Chemical King (voice)

Yancey Arias

Estevez

Stephen Oyoung

Warehouse Guard

Yuri Lowenthal

Mon El (voice)

Zeno Robinson

Invisible Kid / Brainiac 3 (voice)