Harley Quinn

Kaley Cuoco
as Harley Quinn

Lake Bell
as Poison Ivy

Ron Funches
as King Shark

Alan Tudyk
as Clayface

Alan Tudyk
as The Joker

Diedrich Bader
as Batman / Bruce Wayne

J.B. Smoove
as Frank the Plant

James Adomian
as Bane

Tony Hale
as Dr. Psycho

Christopher Meloni
as Commissioner Jim Gordon

Briana Cuoco
as Batgirl / Barbara Gordon

Matt Oberg
as Kite Man

Jim Rash
as The Riddler

Giancarlo Esposito
as Lex Luthor

Jason Alexander
as Sy Borgmann

Tom Hollander
as Alfred Pennyworth

Jacob Tremblay
as Robin / Damian Wayne

Harvey Guillén
as Dick Grayson

Matt Oberg
as Killer Croc