Guest Stars Pete MacHale as Leon Toheeb Jimoh as Marcus Ursula Holliday as Cass Stewart T'Nia Miller as Charlie Morris Laurie Kynaston as Jonah Green Carlyss Peer as Martha Freeman Sheila Atim as Amanda Javad Kwong Loke as Hau Jonny Dixon as Nevin Shereen Martin as Sen Sydney Rae White as Nurse Jane Michael Higgs as Alec Micah Balfour as ICSA Agent John Omole as Police Officer