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 Ellie James as Sion Rebecca Calder as Shirley (Hospital Patient) Gaby French as Teen Theodora