Guest Stars Weruche Opia as Terry Pratchard Paapa Essiedu as Kwame Acheamong Harriet Webb as Theodora Danielle Vitalis as Teen Arabella Lauren Joy-Williams as Teen Terry Gaby French as Teen Theodora Shalisha James-Davis as Loretta (Support Group) Sujaya Dasgupta as Mandeep (Support Group) Jay Lycurgo as Marcus Ian Bonar as Martin Tor Clark as Sarah (Support Group) Mark Weinman as Mr. McHale Melissa Batchelor as Mary Beverly Longhurst as Miss Mott Eric Madgwick as Jack Josiah Mutupa as Ryan