Dick Grayson / Robin / Nightwing (voice)

Jesse McCartney

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

Danica McKellar

Conner Kent / Superboy (voice) / Superman (voice)

Nolan North

Wally West / Kid Flash (voice) / Forager (voice)

Jason Spisak

Aqualad/Kaldur'ahm

Khary Payton

Artemis Crock / Artemis / Tigress (voice)

Stephanie Lemelin

Garfield Logan / Beast Boy (voice) / Tork (voice)

Greg Cipes

Batman/Bruce Wayne

Bruce Greenwood

Violet Harper / Halo (voice) / J'arlia J'axx

Zehra Fazal

Brion Markov / Geo-Force (voice) / Simon Ecks (voice)

Troy Baker

Zatanna Zatara / Zatanna (voice) / Zatanna Zatara (voice)

Lacey Chabert

Raquel Ervin / Rocket (voice) / Faora Hu-Ul (voice)

Denise Boutte

Jaime Reyes / Blue Beetle (voice) / Scarab (voice)

Eric Lopez

Martian Manhunter (voice) / Nabu (voice) / Vykin

Kevin Michael Richardson

Aquaman / Dubbilex (voice) / Orin

Phil LaMarr

Red Arrow (voice) / Will Harper (voice) / Arsenal (voice)

Crispin Freeman

Helga Jace (voice) / Helga Jace / Troia (voice)

Grey DeLisle

Cat Grant (voice) / Scientist / Bumblebee

Masasa Moyo

Lagoon Boy (voice) / La'gaan (voice) / Icicle Jr. (voice)

Yuri Lowenthal

Impulse (voice) / Kid Flash (voice) / Bart Allen

Jason Marsden

Black Canary (voice) / Dinah Lance / Ursa Zod (voice)

Vanessa Marshall

Cheshire (voice) / Cheshire / Paula Crock (voice)

Kelly Hu

Chameleon Boy / Devourer (voice) / Wolf (voice)

Dee Bradley Baker

Lex Luthor (voice) / L-3 (voice) / Lex Luthor

Mark Rolston

Red Tornado / Red Torpedo (voice) / T. O. Morrow (voice)

Jeff Bennett

Barbara Gordon (voice) / Batgirl (voice) / Oracle (voice)

Alyson Stoner

Wonder Girl (voice) / Spoiler (voice) / Wonder Girl

Mae Whitman

J'ann M'orzz (voice) / Saturn Girl (voice) / Phantom Girl

Kari Wahlgren

Terra (voice) / Tara Markov (voice) / Bethany Lee Carr

Tara Strong

Sportsmaster (voice) / Crusher Crock (voice) / Sportsmaster

Nick Chinlund

Ma'alefa'ak (voice) / Orion / Ma'alefa'ak

Ben Diskin

Victor Stone (voice) / Victor Stone / Cyborg (voice)

Zeno Robinson

Green Arrow (voice) / Psimon (voice) / Psimon

Alan Tudyk

Vandal Savage (voice) / L-1 (voice) / Vandal Savage

Miguel Ferrer

G. Gordon Godfrey (voice) / Topo / Nanaue Sha'ark (voice)

James Arnold Taylor

Klarion (voice)

Thom Adcox-Hernandez

Em'ree J'onnz (voice) / Em'ree J'onnz / Perdita Vladek (voice)

Hynden Walch

Vandal Savage (voice) / Arion / Ryus Nereus (voice)

David Kaye

Black Beetle (voice) / Partner (voice)

Kevin Grevioux

Virgil Hawkins (voice) / Static (voice) / Virgil Hawkins

Bryton James

G. Gordon Godfrey (voice)

Tim Curry

Thirteen (voice) / Thirteen / Penny Randall (voice)

Lauren Tom

Gretchen Goode / Granny Goodness (voice) / Gretchen Goode (voice)

Deborah Strang

Lucas Carr (voice) / Lucas Carr / Ultra-Humanite (voice)

Greg Weisman

Dru-Zod / Lor-Zod (voice) / Lor-Zod

Phil Morris

Ra's al Ghul (voice) / L-2 (voice)

Oded Fehr

Count Vertigo / Henchy / Wilhelm Peters (voice)

Steve Blum

Wonder Woman (voice)

Maggie Q

Beast Boy (voice) / Garfield Logan (voice)

Logan Grove

Queen Bee (voice) / Queen Bee / Sandra Stanyon

Marina Sirtis

Captain Atom (voice)

Michael T. Weiss

Mera Nereus (voice) / Lori Lemaris / Mera Nereus

Kath Soucie

Ocean-Master (voice) / Orm (voice) / Ocean-Master

Roger Craig Smith

Khalid Nassour (voice) / Khalid Nassour / Muhammed Nassour (voice)

Usman Ally

Mary Bromfield / Child (voice) / Sergeant

Erika Ishii

Flash (voice) / Barry Allen / Barry Allen (voice)

George Eads

Black Spider (voice) / Black Spider / Red-Hooded Ninja (voice)

Josh Keaton

Madame Xanadu (voice) / Tula / Mary West (voice)

Cree Summer

Lady Shiva (voice) / Lady Shiva / Rictus (voice)

Gwendoline Yeo

Robin (voice) / Robin / Toyman (voice)

Cameron Bowen

Deathstroke (voice) / Deathstroke / Ubu (voice)

Fred Tatasciore

Unnamed-Meta-Teen-A-Four-One (voice) / Delphis / Chian (voice)

Tiya Sircar

Jay Garrick / Flash (voice) / Flash

Geoff Pierson

Wyynde (voice) / Wyynde / Blubber (voice)

Robbie Daymond

Eduardo 'Ed' Dorado

Freddy Rodríguez