Harmonia
- Ano: 1970
- País: United Kingdom, United States of America
- Xénero: Drama, Thriller
- Estudo: Embankment Films, New Native Pictures, Sight Unseen Pictures
- Palabra clave: cult, based on true story, 1980s
- Director: Guy Nattiv
- Reparto: Naomi Watts, Vicky Krieps, Odessa Young, Bella Ramsey
