Troian's character's battle with a near-fatal eating disorder in the film was inspired by the actress' own battle with an eating disorder in real life.
Troian Bellisario was in her early thirties and Tom Felton was in his late twenties during filming. They play eighteen year old twins in the film.
This is Troian first feature film which she wrote
It took 8 years for Troian Bellisario to write the script.
Troian's eye color is naturally brown but she wore blue contacts for this film.