Guest Stars Leilah De Meza as Daisy Clayton Alfie Stewart as Billy John Benfield as Jim Stepton Jotham Annan as Matthew Schofield Katie McGuinness as Kelly Harrington Adelayo Adedayo as Grace Sarah Niles as Nurse Aboko Rhys Yates as Jake Susannah Wise as Polly Jade Anouka as Ekua Ian Burfield as Foreman Maggie Daniels as Receptionist Jude Akuwudike as Dr. Marghai Michelle Asante as Marianne Bangura Chu Omambala as Pastor Tejan-Tsie Emma Dewhurst as Dianne Lewison