Guest Stars Weruche Opia as Terry Pratchard Paapa Essiedu as Kwame Acheamong Stephen Wight as Ben Harriet Webb as Theodora Lewis Reeves as David Danielle Vitalis as Teen Arabella Chin Nyenwe as Tariq Tyler Luke Cunningham as Kai Lauren Joy-Williams as Teen Terry Rebecca Calder as Shirley (Hospital Patient) Ellie James as Sion Gaby French as Teen Theodora