A young girl discovers a secret map to the dreamworld of Slumberland, and with the help of an eccentric outlaw, she traverses dreams and flees nightmares, with the hope that she will be able to see her late father again.
Unfortunately the movie Slumberland is not yet available on HBO Max.
| Production | Ray Angelic | Executive Producer |
| Production | Christopher Surgent | Co-Producer |
| Production | Michael Handelman | Executive Producer |
| Writing | Winsor McCay | Characters |
| Production | David Guion | Executive Producer |
| Production | Cameron MacConomy | Co-Producer |
| Camera | Jo Willems | Director of Photography |
| Editing | Mark Yoshikawa | Editor |
| Sound | Pinar Toprak | Original Music Composer |
| Production | Denise Chamian | Casting Director |
| Costume & Make-Up | Trish Summerville | Costume Design |
| Art | Dominic Watkins | Production Design |
| Production | Francis Lawrence | Producer |
| Crew | Dana Howes | Transportation Coordinator |
| Crew | Arlene Halpenny-Heeley | Driver |
| Crew | Garvin Cross | Stunt Driver |
| Camera | Alan Markfield | Still Photographer |
| Directing | Francis Lawrence | Director |
| Production | David Ready | Producer |
| Writing | Michael Handelman | Screenplay |
| Writing | David Guion | Screenplay |
| Production | Peter Chernin | Producer |
| Production | Jenno Topping | Producer |
| Visual Effects | Sheen Wei Yap | Visual Effects Supervisor |
| Crew | Scott J. Ateah | Stunt Coordinator |
| Visual Effects | Samantha Thompson | Visual Effects Production Assistant |
| Crew | Lisa Shamata | Unit Publicist |
