Harley Quinn

Kaley Cuoco

Harley Quinn (voice)

Lake Bell

Poison Ivy (voice)

Alan Tudyk

Clayface (voice) / Clayface / Clayface #2 (voice) / Clayface / Condiment King (voice) / Clayface / Doctor Trap / Cool Guard (voice) / Clayface / Firefly (voice) / Clayface / Perry White (voice) / Clayface / Singing Fish (voice) / Clayface / The Joker (voice) / Clayface / Two-Face Goon / Manager (voice) / Clayface / Two-Face Goon / Student (voice) / The Joker (voice) / The Joker / Calendar man (voice) / The Joker / Clayface (voice) / The Joker / Clayface / Fancy Guard (voice) / The Joker / Clayface / Hot Southern Bartender (voice) / The Joker / Dr. Trap (voice) / The Joker / Firefly (voice)

Ron Funches

King Shark (voice)

Diedrich Bader

Batman (voice) / Batman / Goon (voice) / Batman / Gorilla Grodd / Doctor (voice) / Batman / Loving Guard (voice) / Batman / No Pinkie Pete (voice) / Batman / Thomas Wayne (voice) / Bruce Wayne (voice) / Bruce Wayne / Surgeon / Goon 2 (voice) / Bruce Wayne / Sven (voice) / Gorilla Grodd (voice) / Trainer (voice)

James Adomian

Bane (voice) / Bane / Clock King (voice) / Bane / Ian (voice) / Bane / Jeffrey's Handler (voice) / Bane / Nelvin (voice) / Bane / Owner (voice) / Bane / Ratcatcher (voice) / Bane / RIddler Goon / Penguin Goon (voice) / Bane / Sad Dad (voice) / Bane / Snowflame / Legion of Doom Security Guard (voice) / Bane / Talkative Teddy Tilapia (voice) / Bane / Terrorist #1 / CEO (voice) / Bane/Vincent Edge/Animal Control Officer (voice) / Snowflame / Chef Kanue / Pool Boy #1 (voice)

JB Smoove

Baby Frank the Plant (voice) / Frank the Plant (voice)

Tony Hale

Dr Psycho / Steve (voice) / Dr. Psycho (voice) / Dr. Psycho / Businessman (voice) / Dr. Psycho / Felix Faust (voice) / Dr. Psycho / Man / Hench (voice) / Dr. Psycho / Man / Lead Goon (voice) / Dr. Psycho / Snow Rat (voice)

Christopher Meloni

Commissioner Gordon (voice) / Commissioner Gordon / Guard (voice) / Commissioner Gordon / Two-Face Goon / Bouncer (voice) / Jim Gordon (voice) / Jim Gordon / Jeffrey the Parrot (voice) / Jim Gordon / Mr. Veronica Cale / Jeffey the Parrot (voice)

Matt Oberg

Killer Croc (voice) / Killer Croc / Banker (voice) / Killer Croc / Thurston / Waiter (voice) / Kite Man (voice) / Kiteman (voice) / Kiteman / Bane Goon (voice) / Kiteman / KGBeast (voice) / Kiteman / Uncool Guard (voice)

Briana Cuoco

Barbara Gordon (voice) / Barbara Gordon / Girl (voice) / Batgirl (voice) / Batgirl / Barbara Gordon (voice) / Batgirl / Goth Chick (voice) / Batgirl / Hostess (voice)

Jim Rash

Mayor / Jor-El (voice) / Mayor / Tad (voice) / Metallo / The Riddler (voice) / The Riddler (voice) / The Riddler / Imperceptible man (voice) / The Riddler / Leslie (voice) / The Riddler / Male Nurse / Cop (voice) / The Riddler / Mr. Isley (voice) / The Riddler / Stan (voice) / The Riddler / Student (voice) / The Riddler / Terrorist #2 (voice) / The Riddler / Unloving Guard / Luigi (voice)

Jason Alexander

Sy Borgman (voice)

Tom Hollander

Alfred (voice) / Alfred / Professor Pyg (voice) / Alfred / The Macaroni Man (voice) / Alfred / Waiter (voice) / Alfred / Woke goon (voice) / Alfred Pennyworth / Reporter 3 (voice) / Alfred Pennyworth / Toyman (voice)

Tisha Campbell

Janice (voice) / Tawny (voice) / Tawny / Amanda Waller (voice) / Tawny Young (voice) / Tawny Young / Sassy Nun (voice)

Rachel Dratch

Nora Freeze (voice) / Nora Freeze / Evil Woman (voice) / Nora Freeze / Queen Hippolyta (voice) / Nora Freeze / Reporter 2 (voice) / Queen Hippolyta (voice)

Phil LaMarr

Banker (voice) / Black Manta / Tentacle Monster (voice) / Koko (voice) / Lucious Fox / Brian (voice) / Lucius Fox, Man (voice) / Mr. Starr / Koko / Citizen (voice) / Praxis (voice) / Samson (voice) / Samson / Shark God (voice) / Shark God (voice)

Giancarlo Esposito

Lex Luthor (voice)

Andy Daly

The President / Darryl / Mister Miracle (voice) / Two Face / Astronaut (voice) / Two-Face (voice) / Two-Face / Dent (voice) / Two-Face / High Owl (voice) / Two-Face / Mr. Covington (voice) / Two-Face / The President (voice)

James Wolk

Arkham Guard (voice) / Clark Kent / Male Surrogate (voice) / Superman (voice) / Superman / Emcee (voice) / Superman / Street Vendor (voice)

Vanessa Marshall

Clerk (voice) / Giganta (voice) / Joey (voice) / Teacher (voice) / Teller (voice) / Wonder Woman (voice) / Wonder Woman / Giganta (voice) / Wonder Woman / Kaya (voice) / Wonder Woman / Reporter (voice) / Wonder Woman / Wedding Planner (voice)

Jacob Tremblay

Damian Wayne (voice) / Middle-Aged Robin (voice) / Robin (voice) / Robin / Damian Wayne (voice)

Harvey Guillén

Nightwing (voice) / Nightwing / Alvin (voice) / Nightwing / Clerk (voice) / Nightwing / Dick Grayson (voice) / Nightwing / Red X (voice)

Sanaa Lathan

Catwoman (voice)

Aisha Tyler

Lena Luthor (voice)

Stephen Fry

Brainiac (voice)

Natalie Morales

Lois Lane (voice)

Aline Elasmar

Devora Macklewaithe / Mysterious Woman (voice) / Talia Al Ghul / Devora Macklewaithe (voice) / Talia Al Ghul / Livewire (voice) / Telia Al Ghul / Livewire (voice)

Kimberly Brooks

Actress 1 / Actress 2 (voice) / Little Girl #1 (voice) / Shaun Shark (voice) / Shaun Shark / Skull Ship (voice) / Shaun the Shark (voice)

Talia Tabin

Clayface Fan (voice) / Mrs. Calendar (voice) / News Anchor (voice) / Reporter 1 (voice) / Woman #1 (voice)

Rahul Kohli

Scarecrow (voice)

Ben Levin

Captain Cold (voice)

Jeannie Tirado

Volcana (voice) / Volcana / TSA Agent (voice)

Michael Ironside

Darkseid (voice)

Susie Essman

Sharon (voice) / Sharon / Grandma (voice)

Larissa Gallagher

Amelie / Automated Voice (voice) / Bus Passenger (voice) / Recepitonist / Italian Boy (voice) / Time Sphere (voice)

Edi Patterson

Veronica Cale (voice) / Veronica Cale / Lawyer (voice)

Sean Giambrone

Joshua (voice)

Rory Scovel

Gus (voice) / Gus / Assassin (voice) / Gus / Maitre'd (Voice)

Krizia Bajos

Bethany (voice)

Mary Holland

Jennifer / Tabitha (voice) / Tabitha / Mom (voice)

Wanda Sykes

Queen of Fables (voice)

Sammi Corona-Lampa

Sofia (voice) / Sophia (voice)

Paul W. Downs

The Jons (voice) / The Jons / Giant Jon (voice)

Kerry Knuppe

Terra "Atlee" (voice) / Terra (voice)

Vico Ortiz

Tefe (voice) / Tefe Holland (voice)

Carla Delaney

Goldilocks (voice) / Goldilocks/Old Lady (voice)

Wayne Knight

The Penguin (voice)

Alfred Molina

Mr. Freeze (voice) / Mr. Freeze / Stew (voice)

James Gunn

James Gunn (voice)

Sam Richardson

Swamp Thing (voice)

James Corleto

Benicio (voice)

Gary Anthony Williams

Brother Prince Shark (voice) / King Baby (voice)

Brad Morris

Businessman / Prisoner (voice) / Victor Zsasz / Penguin Goon (voice)

Will Sasso

Maxie Zeus (voice) / Maxie Zeus / Jennifer's Husband (voice)

Chris Diamantopoulos

Aquaman (voice) / Aquaman / Chef (voice)

Charlie Adler

Nick / Goon 1 (voice) / Nick / Grandpa (voice)

Keith Ferguson

Jonas / Steppenwolf / Groundskeeper (voice) / Male Pedestrian (voice)

Casey Wilson

Betty (voice)

Zeno Robinson

Deliveryman / Dock Worker (voice) / The Flash (voice)

John Slattery

Jason Woodrue (voice) / Jason Woodrue / Floronic Man (voice)

Mary Deaton

Kandor Woman (voice) / Pippa Impersonator (voice)

Jill Talley

Wife / Vril II (voice) / Wife / Vrill II / Mrs. Starr (voice)

Whitney Rice

Crowd (voice) / Student Crowd (voice)

Maria Bamford

Frankette (voice) / Frankette / Dutch Teacher (voice)

Wendell Pierce

Lex Luthor (voice)

Howie Mandel

Howie Mandel (voice)

George López

George Lopez (voice)

Billy Bob Thornton

Billy Bob Thornton (voice)

Cathy Ang

Golden Glider (voice)

Larry Owens

Music Meister (voice)

Matt Ryan

Constantine (voice)

Amy Sedaris

Debbie (voice)

Larissa Gallager

Prawn (voice)

Griffin Newman

Mad Hatter (voice)

Jack Stanton

Little Bruce (voice)

Jessica Walter

Wendy / Granny Goodness (voice)

Jameela Jamil

Eris (voice)

Justina Machado

Bethany (voice)

Scott Porter

The Flash (voice)

Jonah Platt

Singing Clayface (voice)

Meryl Hathaway

Marcus (voice)

Nicole Sullivan

Mrs. Cobblepot / Benjamin (voice)

Frankie Muniz

Frankie Muniz (voice)

Suzy Nakamura

Realtor (voice)

Rhea Perlman

Golda (voice)

Tom Kenny

The Arm (voice)

Mark Whitten

The Cowled Critic / Herman (voice)

Kari Wahlgren

Plastique / Queen Elizabeth II (voice)

Leila Birch

Enchantress / Lover #1 (voice)

Quinta Brunson

Hawkgirl (voice)

Brett Goldstein

Brett Goldstein (voice)

Josh Helman

Captain Boomerang (voice)

John Stamos

Etrigan the Demon (voice)

Janet Varney

Mera (voice)

Tyler James Williams

Hawkman (voice)

Leilani Barrett

Pool Boy #2 (voice)

Eric Bauza

Starro / Bouncing Boy (voice)

Amy K. Harmon

Ramona / Drunk Woman (voice)

Justin Willman

Magician / Buffet Man / Deejay (voice)

Lacey Chabert

Supergirl (voice)

Rain Valdez

Alysia (voice)

Amari McCoy

Mitzi (voice)

Zosia Mamet

Princess Ladyfingers (voice)

Janeane Garofalo

Signora/Mama (voice)

Eric Morgan Stuart

Scientist (voice)

Gregg Turkington

Clegg (voice)

Lilimar

Sophia (voice)

Paula Pell

G.A.I.L (voice)