Olivia ColmanDeborah Flowers Julian BarrattMaurice Flowers Sophia Di MartinoAmy Flowers Daniel RigbyDonald Flowers Will SharpeShun / Regisseur / Schrijver / Associate Producer Matt GoldbergYoung Donald Christopher ColquhounSteve Eiko YoshimotoShun's Grandmother Takako AkashiShun's Mother Tsuwayuki SaotomeShun's Grandfather Sharon D. ClarkeDr. Malone Will SharpeShun / Regisseur / Schrijver / Associate Producer Naomi de PearExecutive Producer Emma Kingsman-LloydProducer Jane FeatherstoneExecutive Producer Diederick SanterExecutive Producer Rosie ClarkeArt Direction Luana HansonProduction Design Jamie CairneyDirector Of Photography Kate GillAssistant Costume Designer Laura VenablesWardrobe Supervisor Alex StreeterFirst Assistant Director Arizona EastwoodThird Assistant Director Selina MacarthurRedacteur Arthur SharpeOriginal Music Composer Holly PullingerLine Producer Catherine WillisCasting Director 
