Kelsey honors her late mother by training for a marathon and sharing her journey online. Her posts attract Billy (Keenan Tracey), a grocery worker caring for his disabled mother, Debbie. Obsessed, Billy kidnaps Kelsey and hides her in their attic, controlling her for years. When Debbie discovers the truth, she and Kelsey must fight for survival.
Yes! The movie Girl in the Attic is now on Disney Plus in the countries listed below.
| Writing | Jill Abbinanti | Writer |
| Writing | Tawnya Bhattacharya | Writer |
| Writing | Ali Laventhol | Writer |
| Directing | David Weaver | Director |
| Production | Amelia Burstyn | Executive Producer |
| Production | Sebastian Battro | Executive Producer |
| Production | Bruce Harvey | Producer |
| Production | Meghan Hooper White | Executive Producer |
| Production | Timothy O. Johnson | Executive Producer |
| Production | Oliver De Caigny | Executive Producer |
| Sound | Brent Belke | Music |
| Camera | Diego Lozano | Director of Photography |
| Editing | Jacob Weldon | Editor |
| Costume & Make-Up | Megan Glendinning | Hair Department Head |
| Costume & Make-Up | Shauna Carveth | Makeup Department Head |
| Crew | Kathy Hubble | Stunts |
| Lighting | Jason Tidsbury | Gaffer |
