The producers cite the famous anime "Lupin III" as an influence on the feature.
Stephanie Beatriz campaigned to be the new Batwoman for Batwoman (2019) after series star Ruby Rose left.
Each of the actors has done other DC projects in different roles.
- Jonathan Banks voiced James Gordon in Batman: Arkham Knight
- Steve Blum voiced Count Vertigo in DC Showcase: Green Arrow, Atlas, General Sam Lane and Astronaut #1 in All-Star Superman, Kloba Vud, Palaqua, Ranakar and G'Hu in Green Lantern: Emerald Knights, Bane and The Penguin in LEGO Batman: The Movie - DC Super Heroes Unite, Lex Luthor in Justice League: The Flashpoint Paradox, Darkseid, Cyborg's Armor and Ocean Master in Justice League: War, Cyborg's Armor and Lex Luthor in Justice League: Throne of Atlantis, Black Mask and Firefly in Batman: Bad Blood, Lex Luthor and Toymaster in Justice League vs. Teen Titans, Heat Wave and Captain Cold in Batman: The Brave and the Bold, Count Vertigo, Rudy West and Rocket Red in Young Justice, White Martian Leader in Justice League Heroes
- Lauren Cohan played Martha Wayne Batman v Superman: Dawn of Justice
- Keith David voiced Despero in Justice League, Atlas in Teen Titans, The Centre in Justice League: The New Frontier, Mongul in Young Justice and Solovar in The Flash
- Zehra Fazal voiced Halo, Cassandra Savage, Harper Row, Hawkwoman, Lian Nguyen-Harper, Windfall, Trajectory, Antonia "Big Words" Rodriguez, Madia Daou, Evelyn Fox in Young Justice: Outsiders
- Kelly Hu voiced Ms. Li in Batman: Under the Red Hood, in Laira in Green Lantern: Emerald Knights, Lady Shiva in Batman: Arkham Origins and Batman: Soul of the Dragon, Cheshire / Paula Crock / Lian Nguyen-Harper in Young Justice, Katana in Infinite Crisis and played China White in Arrow
- Andrew Kishino voiced The Hat in Superman vs. The Elite, Criminals, Penguin Thugs and Prisoners in Batman: Arkham Origins and Henchman in Batman: Arkham Knight
- Eric Lopez voiced Blue Beetle in Young Justice, Young Justice Leagcy and Infinite Crisis
- Jacqueline Obradors voiced Alanna in Young Justice: Invasion
Zehra Fazal reprised her role as Talia al Ghul from Batman: Death in the Family.
As she suits up, Catwoman remarks to herself that she is "getting with the times" compared to the previous suit she was wearing that was said to be a classic. While she is donning a more modern suit than the 1975 costume in which she arrived, the one she changes into was introduced in 2002, twenty years before the movie was released.