Harley Quinn

Kaley Cuoco

Harley Quinn (voice)· 57 ep

Lake Bell

Poison Ivy (voice)· 57 ep

Alan Tudyk

The Joker / Calendar man (voice)· 44 ep

Ron Funches

King Shark (voice)· 34 ep

James Adomian

Bane / Ratcatcher (voice)· 28 ep

JB Smoove

Frank the Plant (voice)· 25 ep

Tony Hale

Dr. Psycho / Felix Faust (voice)· 23 ep

Diedrich Bader

Batman / Gorilla Grodd / Doctor (voice)· 21 ep

Matt Oberg

Killer Croc (voice)· 20 ep

Christopher Meloni

Jim Gordon / Jeffrey the Parrot (voice)· 20 ep

Briana Cuoco

Barbara Gordon (voice)· 18 ep

Jim Rash

The Riddler / Mr. Isley (voice)· 16 ep

Jason Alexander

Sy Borgman (voice)· 13 ep

Tisha Campbell

Tawny (voice)· 13 ep

Tom Hollander

Alfred / Woke goon (voice)· 13 ep

Rachel Dratch

Nora Freeze / Reporter 2 (voice)· 12 ep

Phil LaMarr

Samson (voice)· 12 ep

Giancarlo Esposito

Lex Luthor (voice)· 11 ep

James Wolk

Superman / Emcee (voice)· 11 ep

Andy Daly

Two-Face / The President (voice)· 11 ep

Vanessa Marshall

Teacher (voice)· 11 ep

Jacob Tremblay

Robin / Damian Wayne (voice)· 10 ep

Harvey Guillén

Nightwing / Clerk (voice)· 10 ep

Sanaa Lathan

Catwoman (voice)· 9 ep

Aisha Tyler

Lena Luthor (voice)· 8 ep

Stephen Fry

Brainiac (voice)· 7 ep

Natalie Morales

Lois Lane (voice)· 6 ep

Aline Elasmar

Talia Al Ghul / Devora Macklewaithe (voice)· 6 ep

Kimberly Brooks

Shaun the Shark (voice)· 6 ep

Rahul Kohli

Scarecrow (voice)· 5 ep

Talia Tabin

News Anchor (voice)· 5 ep

Ben Levin

Captain Cold (voice)· 5 ep

Jeannie Tirado

Volcana / TSA Agent (voice)· 5 ep

Michael Ironside

Darkseid (voice)· 4 ep

Larissa Gallagher

Recepitonist / Italian Boy (voice)· 4 ep

Susie Essman

Sharon (voice)· 4 ep

Edi Patterson

Veronica Cale / Lawyer (voice)· 4 ep

Sean Giambrone

Joshua (voice)· 3 ep

Krizia Bajos

Bethany (voice)· 3 ep

Rory Scovel

Gus / Assassin (voice)· 3 ep

Wanda Sykes

Queen of Fables (voice)· 3 ep

Mary Holland

Jennifer / Tabitha (voice)· 3 ep

Sammi Corona-Lampa

Sofia (voice)· 3 ep

Paul W. Downs

The Jons (voice)· 3 ep

Kerry Knuppe

Terra "Atlee" (voice)· 3 ep

Vico Ortiz

Tefe Holland (voice)· 3 ep

Carla Delaney

Goldilocks (voice)· 3 ep

Wayne Knight

The Penguin (voice)· 2 ep

James Gunn

James Gunn (voice)· 2 ep

Alfred Molina

Mr. Freeze (voice)· 2 ep

Sam Richardson

Swamp Thing (voice)· 2 ep

James Corleto

Benicio (voice)· 2 ep

Will Sasso

Maxie Zeus (voice)· 2 ep

Brad Morris

Businessman / Prisoner (voice)· 2 ep

Chris Diamantopoulos

Aquaman (voice)· 2 ep

Gary Anthony Williams

Brother Prince Shark (voice)· 2 ep

Casey Wilson

Betty (voice)· 2 ep

Keith Ferguson

Male Pedestrian (voice)· 2 ep

Charlie Adler

Nick / Grandpa (voice)· 2 ep

Zeno Robinson

The Flash (voice)· 2 ep

John Slattery

Jason Woodrue (voice)· 2 ep

Mary Deaton

Pippa Impersonator (voice)· 2 ep

Jill Talley

Wife / Vrill II / Mrs. Starr (voice)· 2 ep

Whitney Rice

Crowd (voice)· 2 ep

Maria Bamford

Frankette / Dutch Teacher (voice)· 2 ep

Wendell Pierce

Lex Luthor (voice)· 2 ep

Howie Mandel

Howie Mandel (voice)· 1 ep

George López

George Lopez (voice)· 1 ep

Billy Bob Thornton

Billy Bob Thornton (voice)· 1 ep

Cathy Ang

Golden Glider (voice)· 1 ep

Larry Owens

Music Meister (voice)· 1 ep

Matt Ryan

Constantine (voice)· 1 ep

Amy Sedaris

Debbie (voice)· 1 ep

Larissa Gallager

Prawn (voice)· 1 ep

Griffin Newman

Mad Hatter (voice)· 1 ep

Jack Stanton

Little Bruce (voice)· 1 ep

Jessica Walter

Wendy / Granny Goodness (voice)· 1 ep

Jameela Jamil

Eris (voice)· 1 ep

Justina Machado

Bethany (voice)· 1 ep

Scott Porter

The Flash (voice)· 1 ep

Jonah Platt

Singing Clayface (voice)· 1 ep

Meryl Hathaway

Marcus (voice)· 1 ep

Nicole Sullivan

Mrs. Cobblepot / Benjamin (voice)· 1 ep

Frankie Muniz

Frankie Muniz (voice)· 1 ep

Suzy Nakamura

Realtor (voice)· 1 ep

Rhea Perlman

Golda (voice)· 1 ep

Tom Kenny

The Arm (voice)· 1 ep

Mark Whitten

The Cowled Critic / Herman (voice)· 1 ep

Kari Wahlgren

Plastique / Queen Elizabeth II (voice)· 1 ep

Leila Birch

Enchantress / Lover #1 (voice)· 1 ep

Quinta Brunson

Hawkgirl (voice)· 1 ep

Brett Goldstein

Brett Goldstein (voice)· 1 ep

Josh Helman

Captain Boomerang (voice)· 1 ep

John Stamos

Etrigan the Demon (voice)· 1 ep

Janet Varney

Mera (voice)· 1 ep

Tyler James Williams

Hawkman (voice)· 1 ep

Leilani Barrett

Pool Boy #2 (voice)· 1 ep

Eric Bauza

Starro / Bouncing Boy (voice)· 1 ep

Amy K. Harmon

Ramona / Drunk Woman (voice)· 1 ep

Justin Willman

Magician / Buffet Man / Deejay (voice)· 1 ep

Lacey Chabert

Supergirl (voice)· 1 ep

Rain Valdez

Alysia (voice)· 1 ep

Amari McCoy

Mitzi (voice)· 1 ep

Zosia Mamet

Princess Ladyfingers (voice)· 1 ep

Janeane Garofalo

Signora/Mama (voice)· 1 ep

Eric Morgan Stuart

Scientist (voice)· 1 ep

Gregg Turkington

Clegg (voice)· 1 ep

Lilimar

Sophia (voice)· 1 ep

Paula Pell

G.A.I.L (voice)· 1 ep