Young Justice

Conner Kent (27 episodes)

Superboy

Clark Kent

Superman

Zatara

Match

Clayface

Marvin White

Manta Trooper

Bialyan Soldier

Matt Hagen

M'gann M'orzz (25 episodes)

Miss Martian

Back-Up Singer

Tuppence Terror

Megan Wheeler

Miss Martia

Dick Grayson (25 episodes)

Robin

Nightwing

Artemis (24 episodes)

Computer

Artemis Crock

Tigress

Catherine Cobert

Kaldur'ahm (23 episodes)

Aqualad

Black Manta

Scientist

Daniel Brickwell

Bialyan Soldier

Brick

Wally West (20 episodes)

Kid Flash

Bruce Wayne (14 episodes)

Batman

Eduardo Dorado Sr.

Roy Harper (11 episodes)

Red Arrow

Jim Harper

Guardian

Speedy

Galet Dasim

Arsenal

Jaime Reyes (9 episodes)

Blue Beetle

Scarab

J'onn J'onzz (9 episodes)

Mal Duncan

John Stewart

Martian Manhunter

Green Lantern

Thomas Kalmaku

Bruno 'Ugly' Mannheim

Guardian

Queen Bee (8 episodes)

L-4

Lagoon Boy (8 episodes)

La'gaan

Cameron Mahkent

Icicle Jr.

Icicle

Tommy Terror

Karen Beecher (8 episodes)

Cat Grant

Bumblebee

Reach Scientist

Wendy Harris

Klarion the Witch Boy (7 episodes)

Klarion 2010

Lex Luthor (7 episodes)

L-3

King Orin (7 episodes)

Aquaman

B'arzz O'oomm

Green Beetle

Arthur Curry

Reach Ambassador

Dubbilex

Virgil Hawkins

Commercial Voice

Jade Nguyen (6 episodes)

Cheshire

Lian Nguyen-Harper

Dr. Simon Jones (6 episodes)

Psimon

Oliver Queen

Green Arrow

Zatanna Zatara (5 episodes)

The Flash (5 episodes)

Barry Allen

Vandal Savage (5 episodes)

Bibbo Bibbowski

Tribune

L-1

Beast Boy (5 episodes)

Garfield Logan

Sportsmaster (5 episodes)

Lawrence Crock

Lawrence 'Crusher' Crock

Crusher Crock

Cassie Sandsmark (5 episodes)

Wonder Girl

Stephanie Brown

G. Gordon Godfrey (4 episodes)

Partner (4 episodes)

Black Beetle

Red Tornado (4 episodes)

John Smith

David Wilcox

Red Volcano

Abra Kadabra

Adam Strange (4 episodes)

Bart Allen (4 episodes)

Impulse

Lead Singer

Ray Palmer

Batgirl (4 episodes)

Barbara Gordon

Tim Drake (3 episodes)

Robin

Captain Marvel (3 episodes)

Ra's al Ghul (3 episodes)

Dinah Lance (3 episodes)

Black Canary

Nathaniel Adams (3 episodes)

Captain Atom

Blockbuster (2 episodes)

Mark Desmond

Iris West-Allen (2 episodes)

Tye Longshadow (2 episodes)

Wolf (2 episodes)

Jeremiah

Bane (2 episodes)

Raquel Ervin (2 episodes)

Rocket

Nathaniel Tryon (2 episodes)

Nathaniel 'Neut' Tryon

Burton Thompson

Neutron

Wonder Woman (2 episodes)

Princess Diana

Singh Manh Li (2 episodes)

Xaiping

Tseng

Shelly Longshadow (1 episodes)

Mongul (1 episodes)

Maurice Bodaway (1 episodes)

Brain (1 episodes)

Ra's al Ghul (1 episodes)

Devastation (1 episodes)