Following a brutal series of murders taking place on Halloween, Thanksgiving, and Christmas, Gotham City's young vigilante known as the Batman sets out to pursue the mysterious serial killer alongside police officer James Gordon and district attorney Harvey Dent.
Unfortunately the movie Batman: The Long Halloween, Part One is not yet available on Disney Plus.
| Directing | Chris Palmer | Director |
| Production | Kimberly S. Moreau | Producer |
| Production | Butch Lukic | Supervising Producer |
| Production | James Krieg | Producer |
| Production | Michael Uslan | Executive Producer |
| Production | Sam Register | Executive Producer |
| Writing | Bill Finger | Characters |
| Editing | Bruce King | Editor |
| Production | Wes Gleason | Casting |
| Visual Effects | Jon Suzuki | Character Designer |
| Production | Marlene Corpuz | Production Manager |
| Writing | Tim Sheridan | Writer |
| Sound | Michael Gatt | Original Music Composer |
| Writing | Jeph Loeb | Graphic Novel |
| Writing | Tim Sale | Graphic Novel |
| Writing | David Mazzucchelli | Characters |
| Art | Vinton Heuck | Storyboard Artist |
| Visual Effects | Cathlin Hidalgo-Polvani | Character Designer |
| Visual Effects | Dou Hong | Character Designer |
| Visual Effects | Otto Schmidt | Character Designer |
| Writing | Frank Miller | Characters |
| Crew | Naya Rivera | In Memory Of |
| Art | Adrian Barrios | Storyboard Artist |
| Art | Arthur Lee | Prop Designer |
| Visual Effects | Irineo Maramba | Character Designer |
| Production | Alicia Heraper | Assistant Production Manager |
| Art | Chad Townsend | Prop Designer |
| Art | Brian Uchida | Prop Designer |
| Art | Cameron Thompson | Background Designer |
| Art | Tim Divar | Storyboard Artist |
| Art | Rozlynn Waltz | Storyboard Artist |
| Art | Gabo Camarillo Gil | Storyboard Artist |
| Art | Albert Park | Storyboard Artist |
| Art | Elliot Byrne | Background Designer |
| Art | Vince Toyama | Background Designer |
| Sound | David M. Cowan | ADR Editor |
| Sound | Michael Garcia | Dialogue Editor |
| Art | Assaf Meir | Background Designer |
| Sound | Kelly Ann Foley | Dialogue Editor |
| Art | Ethan Becker | Storyboard Artist |
| Art | Eugene Lee | Storyboard Artist |
| Sound | Mark A. Keatts | Supervising Dialogue Editor |
| Art | Rodel Gravo | Background Designer |
| Art | Tec Manalac | Background Designer |
| Visual Effects | Victoria Thornberry | Color Designer |
| Visual Effects | Anthony Akira Andrade | Animation |
| Editing | Darren Griffiths | Online Editor |
| Art | David Maximo | Storyboard Artist |
| Art | Sam Montes | Storyboard Artist |
| Art | Sung Shin | Storyboard Artist |
| Art | Roger Oda | Background Designer |
| Art | Augusto Barranco | Background Designer |
| Art | John Paik | Background Designer |
| Art | Clarke Snyder | Background Designer |
| Sound | Patrick J. Foley | Dialogue Editor |
| Visual Effects | Brett Hardin | Animation |
| Art | Doug Walker | Background Designer |
| Art | Bob Smith | Storyboard Artist |
| Art | Kenny McGill | Background Designer |
| Art | Carli Squitieri | Storyboard Artist |
| Sound | David M. Cowan | Dialogue Editor |
| Art | Elsa Garagarza | Storyboard Artist |
| Art | Jeff Wamester | Storyboard Artist |
| Art | Matthew Girardi | Art Direction |
| Visual Effects | Aric Mannion | Animation |
| Sound | Patrick J. Foley | ADR Editor |
| Sound | Michael Garcia | ADR Editor |
| Art | George Stokes | Background Designer |
| Sound | Kelly Ann Foley | ADR Editor |
| Visual Effects | Kim Bowen | Color Designer |
| Art | Jose Andres Velasco | Storyboard Artist |
| Production | Brian E.S. Jones | Executive In Charge Of Production |
| Production | Ed Adams | Production Manager |
| Production | Bobbie Page | Production Supervisor |
| Production | Peter Girardi | Executive In Charge Of Production |
| Production | Angela O'Sullivan | Line Producer |
| Production | Julie Osborn | Post Producer |
| Visual Effects | Sharon Yvonne Lopez | Visual Effects Production Manager |
| Sound | Mark A. Keatts | Supervising ADR Editor |
| Art | Adrienne Steinbaum | Title Designer |
| Editing | Gabriel Gianola | Assistant Editor |
| Editing | Michele Beeson | Assistant Editor |
| Art | Brenna Kraus | Title Designer |
| Editing | Harrison T. Barth | Assistant Editor |
| Art | Adrienne Steinbaum | Graphic Designer |
| Art | Aren Williams | Title Designer |
| Art | Aren Williams | Graphic Designer |
| Art | Brenna Kraus | Graphic Designer |
| Production | Kip Brown | Post Producer |
| Writing | Bob Kane | Characters |
