Harley Quinn

Kaley Cuoco

Harley Quinn (voice)

Lake Bell

Poison Ivy (voice)

Jason Alexander

Sy Borgman (voice)

Diedrich Bader

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

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

Rory Scovel

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

Matt Oberg

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

Tisha Campbell

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

Michael Ironside

Darkseid (voice)

Jessica Walter

Wendy / Granny Goodness (voice)

Jim Rash

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

Jameela Jamil

Eris (voice)

Justina Machado

Bethany (voice)

Tony Hale

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

Scott Porter

The Flash (voice)

Andy Daly

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

Jonah Platt

Singing Clayface (voice)

Will Sasso

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

James Wolk

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

James Adomian

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

Rachel Dratch

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

Meryl Hathaway

Marcus (voice)

Rahul Kohli

Scarecrow (voice)

Nicole Sullivan

Mrs. Cobblepot / Benjamin (voice)

Alan Tudyk

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

Jacob Tremblay

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

Rhea Perlman

Golda (voice)

Tom Kenny

The Arm (voice)

Mark Whitten

The Cowled Critic / Herman (voice)

Brad Morris

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

Tom Hollander

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

Vanessa Marshall

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

Mary Holland

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

Phil LaMarr

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

Chris Diamantopoulos

Aquaman / Chef (voice), Aquaman (voice)

Harvey Guillén

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

Gary Anthony Williams

Brother Prince Shark (voice), King Baby (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

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

Casey Wilson

Betty (voice)

Talia Tabin

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

Keith Ferguson

Jonas / Steppenwolf / Groundskeeper (voice), Male Pedestrian (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 (voice), Volcana / TSA Agent (voice)

Larissa Gallagher

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

Charlie Adler

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

Susie Essman

Sharon (voice), Sharon / Grandma (voice)

Aline Elasmar

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

Paul W. Downs

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

Lacey Chabert

Supergirl (voice)

Edi Patterson

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

Zeno Robinson

The Flash (voice), Deliveryman / Dock Worker (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

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

Aisha Tyler

Lena Luthor (voice)

Carla Delaney

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

Lilimar

Sophia (voice)

Whitney Rice

Crowd (voice), Student Crowd (voice)

Jill Talley

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

Paula Pell

G.A.I.L (voice)

Maria Bamford

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

Wendell Pierce

Lex Luthor (voice)