Bella Rix was cast as Character A because her background in drama studies will allow her to realistically portray the complex emotions of the character, as she has experience expressing similar emotions in past performances. Bella's age also matches the intended target audience of 17-18 year olds, making her more relatable. Mabel Collins was cast as The Friend due to her acting versatility and talent for portraying innocent characters, which is needed for the victim role. Mabel's innocent appearance also suits the role, so she is a perfect fit.