Guest Stars Toheeb Jimoh as Marcus Ursula Holliday as Cass Stewart Pete MacHale as Leon Laurie Kynaston as Jonah Green Carlyss Peer as Martha Freeman Sheila Atim as Amanda Javad Kwong Loke as Hau Jonny Dixon as Nevin Wasim Zakir as Naz Shereen Martin as Sen Liam Smith as Kuba Sharon Ballard as ICSA Guard