Directed by Colin Heck   Cecilia Aranovich   Ben Jones   Written by Justin Halpern   Patrick Schumacker   Dean Lorey   Laura Moran   Chuck Dixon   Doug Moench   Graham Nolan   Paul Dini   Bruce Timm   Karl Kesel   Cast Kaley Cuoco ... Harley Quinn (voice) Jason Alexander ... Sy Borgman (voice) Lake Bell ... Poison Ivy (voice) Ron Funches ... King Shark (voice) J.B. Smoove ... Frank the Plant (voice) (as JB Smoove) Charlie Adler ... Nick / Grandpa (voice) James Adomian ... Bane / Chaz (voice) Susie Essman ... Sharon / Grandma (voice) Sean Giambrone ... Joshua (voice) Rory Scovel ... Gus / Assassin (voice) Produced by Ciara Anderson   Jessica Brunson   Julian Coutts   Jennifer Coyle   Kaley Cuoco   Justin Halpern   Sabrina Jalees   Dean Lorey   Laura Moran   Sam Register   Patrick Schumacker   Adam Stein   Original Music by Jefferson Friedman

Additional Info Premiere: January 31, 2020 DVD Release: June 02, 2020 Blu-ray Release: February 16, 2021 Country: Distributor: Warner Brother Studios Websites: Production Companies DC Entertainment Delicious Non-Sequitur Productions Ehsugadee Warner Bros. Animation Yes, Norman Productions Distributors Warner Bros. Home Entertainment   (2020) (United States) (DVD) Warner Bros. Home Entertainment   (2021) (United States) (Blu-ray) Filming Locations New York City, New York, USA   (Gotham City) Rating Stats Overall Rating -- / 10 Our Rating 5.4 / 10 Your Friends -- / 10 Male Users -- / 10 Female Users 5.4 / 10 Site Ranking #2,867 / 20,906 Ratings Breakdown Almost Perfect 1 total rating Site Ranking