As Batman hunts for the escaped Joker, the Clown Prince of Crime attacks the Gordon family to prove a diabolical point mirroring his own fall into madness.
| Directing | Sam Liu | Director |
| Editing | Christopher D. Lozinski | Editor |
| Sound | Robert Hargreaves | Sound Designer |
| Writing | Bob Kane | Characters |
| Production | Wes Gleason | Casting |
| Writing | Bill Finger | Characters |
| Crew | Brian Bolland | Graphic Novel Illustrator |
| Visual Effects | Yuuji Nakao | Key Animation |
| Writing | Alan Moore | Graphic Novel |
| Production | Matthew Mahoney | Production Manager |
| Visual Effects | Jon Suzuki | Character Designer |
| Production | Kohei Kenmotsu | Line Producer |
| Visual Effects | Seigo Kitazawa | Animation Director |
| Visual Effects | Kazuyoshi Takeuchi | Animation Director |
| Visual Effects | Isamitsu Kashima | Animation Director |
| Production | Greg Emerson | Other |
| Crew | Matt Singer | Post-Production Manager |
| Sound | Mark A. Keatts | Supervising Dialogue Editor |
| Sound | Mark A. Keatts | ADR Editor |
| Sound | Kelly Ann Foley | Dialogue Editor |
| Sound | Kelly Ann Foley | ADR Editor |
| Sound | Patrick J. Foley | Dialogue Editor |
| Sound | Patrick J. Foley | Foley Editor |
| Sound | Michael Garcia | Dialogue Editor |
| Sound | Michael Garcia | ADR Editor |
| Editing | Darren Griffiths | Online Editor |
| Editing | Brian Master | Online Editor |
| Production | Liz Carroll | Administration |
| Production | Daphne Fei | Administration |
| Production | Bobbie Page | Production Supervisor |
| Production | Ed Adams | Production Manager |
| Writing | Brian Azzarello | Writer |
| Production | Sam Register | Executive Producer |
| Production | Bruce Timm | Executive Producer |
| Production | Benjamin Melniker | Executive Producer |
| Production | Michael Uslan | Executive Producer |
| Production | Alan Burnett | Co-Producer |
| Production | Amy McKenna | Line Producer |
| Sound | Michael McCuistion | Original Music Composer |
| Sound | Kristopher Carter | Original Music Composer |
| Sound | Lolita Ritmanis | Original Music Composer |
| Visual Effects | Shinji Saito | Compositing Lead |
