Despite the shock of Colman not returning, much of the cast is going to back for the final film. Besides Connor and Locke as the main couple, Yasmin Finney, Will Gao, Corinna Brown, Kizzy Edgell, Tobie Donovan, Rhea Norwood, Jenny Walser, Fisayo Akinade, Nima Taleghani, Leila Khan, Bradley Riches, Darragh Hand and Eddie Marsan will all be back to reprise their roles.