Attempting to ascertain the identity of the Holiday Killer, Batman (Jensen Ackles) and Police Captain James Gordon (Billy Burke) turn their attention to an in-the-know villain acutely aware of every date of the year -- Calendar Man (David Dastmalchian) in his appropriately decorated cell at Arkham Asylum. Batman: The Long Halloween, Part One arrives on Digital and Blu-ray on June 22, 2021.
Batman: The Long Halloween Part One is the DC Universe animated feature film serializing the comic book series of the same name written by Jeph Loeb and illustrated by Tim Sale.
Jensen Ackles is cast as the voice of Bruce Wayne/Batman. The late Naya Rivera has recorded the voice of Catwoman. Other cast members include Josh Duhamel as Harvey Dent, Billy Burke as James Gordon, Titus Welliver as Carmine Falcone, David Dastmalchian as Calendar Man, Troy Baker as Joker, Amy Landecker as Barbara Gordon, Julie Nathanson as Gilda Dent, Jack Quaid as Alberto, Fred Tatasciore as Solomon Grundy and Alastair Duncan As Alfred.
Chris Palmer is directing from a script by Tim Sheridan. The two previously paired on Superman: Man Of Tomorrow.
The story presents a Batman early in his career working to track down a revenge who claims his victims monthly, on holidays. The story also features Catwoman and Harvey Dent and presents an origin of sorts for Two-Face.

