Sophie Turner as Fay Delussey / Lila Delussey

Claire Forlani as Ann Delussey

Rhys Ifans as Don Delussey

Eugenio Pérez as Doctor Carbantes

Gregg Sulkin as Drew Fraser

Priyanka Patel as Dawn

Ivana Baquero as Kaylie

Jonathan Rhys Meyers as John

Charlotte Vega as Monica Meldrum

Geraldine Chaplin as Mrs. Brennan

Neil D'Souza as Mr. Bhoola

Sara Gregory as Woman with Baby

Zita Sattar as Mira

Sion Daniel Young as Joe, The Hooded Youth

Daniel Hawksford as PC Edwards

Leonor Watling as Mrs. Williams

Robbie Bowman as Mr. Reynolds

Dylan Charles as Mr. Hardie

Amanda Edwards as Policewoman

Melanie Walters as Mrs. MacPhail