A bullied teenage girl leads a glee club on a trail of destruction against her high school enemies.
Unfortunately the movie The Devil's Harmony is not yet available on HBO Max.
| Writing | Dylan Holmes Williams | Writer |
| Writing | Jess O'Kane | Writer |
| Directing | Dylan Holmes Williams | Director |
| Camera | David Wright | Director of Photography |
| Editing | Mdhamiri á Nkemi | Editor |
| Sound | Finn Keane | Music |
| Art | Kat Hawker | Production Design |
| Production | Nathan Craig | Producer |
| Costume & Make-Up | Lauren Miller | Costume Design |
| Sound | Josh Campbell | Sound Designer |
| Production | Anthony Toma | Co-Producer |
| Production | Ramin Sabi | Executive Producer |
| Production | Sean Stuart | Executive Producer |
| Production | Adam Rae | Executive Producer |
