Guest Stars Matthew Gravelle as Tom Faulkner Hugh Quarshie as Jomo Moshaba Gina Bramhill as Fiona Moshaba Sutara Gayle as Gloria Mason-Walker Lloyd Everitt as David Moshaba Duncan Preston as DI Johnny Campbell Christine Bottomley as Florence Clarke Nadia Albina as Emma Caulfield Laura Marcus as Mia Clarke Ella Schrey-Yeats as Ellie Clarke Adam Clayton-Smith as Richard Clarke Paul Thornley as Hugh Caulfield Simon Lipkin as Darryl Simmonds Lainy Boyle as Desk Officer