Harley Quinn

Kaley Cuoco

Harley Quinn (voice)

Lake Bell

Poison Ivy (voice)

Jason Alexander

Sy Borgman (voice)

Diedrich Bader

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

Giancarlo Esposito

Lex Luthor (voice)

Sean Giambrone

Joshua (voice)

Wayne Knight

The Penguin (voice)

Ron Funches

King Shark (voice)

Howie Mandel

Howie Mandel (voice)

George López

George Lopez (voice)

Billy Bob Thornton

Billy Bob Thornton (voice)

James Gunn

James Gunn (voice)

Cathy Ang

Golden Glider (voice)

Alfred Molina

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

Sanaa Lathan

Catwoman (voice)

Larry Owens

Music Meister (voice)

Sam Richardson

Swamp Thing (voice)

Matt Ryan

Constantine (voice)

Krizia Bajos

Bethany (voice)

James Corleto

Benicio (voice)

Amy Sedaris

Debbie (voice)

Griffin Newman

Mad Hatter (voice)

Jack Stanton

Little Bruce (voice)

Briana Cuoco

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

Rory Scovel

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

Matt Oberg

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

Tisha Campbell

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

Michael Ironside

Darkseid (voice)

Jessica Walter

Wendy / Granny Goodness (voice)

Jim Rash

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

Jameela Jamil

Eris (voice)

Tony Hale

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

Justina Machado

Bethany (voice)

Scott Porter

The Flash (voice)

Andy Daly

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

Jonah Platt

Singing Clayface (voice)

Will Sasso

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

James Wolk

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

James Adomian

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

Rachel Dratch

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

Meryl Hathaway

Marcus (voice)

Rahul Kohli

Scarecrow (voice)

Nicole Sullivan

Mrs. Cobblepot / Benjamin (voice)

Alan Tudyk

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

Jacob Tremblay

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

Wanda Sykes

Queen of Fables (voice)

Natalie Morales

Lois Lane (voice)

Frankie Muniz

Frankie Muniz (voice)

Suzy Nakamura

Realtor (voice)

Christopher Meloni

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

Rhea Perlman

Golda (voice)

Tom Kenny

The Arm (voice)

Mark Whitten

The Cowled Critic / Herman (voice)

Brad Morris

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

Tom Hollander

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

Vanessa Marshall

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

Mary Holland

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

Phil LaMarr

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

Chris Diamantopoulos

Aquaman / Chef (voice), Aquaman (voice)

Harvey Guillén

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

Gary Anthony Williams

King Baby (voice), Brother Prince Shark (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)

JB Smoove

Frank the Plant (voice), Baby Frank the Plant (voice)

Casey Wilson

Betty (voice)

Talia Tabin

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

Keith Ferguson

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

Ben Levin

Captain Cold (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)

Jeannie Tirado

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

Larissa Gallagher

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

Charlie Adler

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

Susie Essman

Sharon / Grandma (voice), Sharon (voice)

Lacey Chabert

Supergirl (voice)

Aline Elasmar

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

Paul W. Downs

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

Edi Patterson

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

Zeno Robinson

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

Kerry Knuppe

Terra (voice), Terra "Atlee" (voice)

Vico Ortiz

Tefe (voice), Tefe Holland (voice)

Amari McCoy

Mitzi (voice)

Zosia Mamet

Princess Ladyfingers (voice)

Janeane Garofalo

Signora/Mama (voice)

Eric Morgan Stuart

Scientist (voice)

Gregg Turkington

Clegg (voice)

John Slattery

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

Stephen Fry

Brainiac (voice)

Kimberly Brooks

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

Aisha Tyler

Lena Luthor (voice)

Carla Delaney

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

Lilimar

Sophia (voice)

Whitney Rice

Crowd (voice), Student Crowd (voice)

Jill Talley

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

Paula Pell

G.A.I.L (voice)

Maria Bamford

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

Wendell Pierce

Lex Luthor (voice)