Llewella Gideon (Grace Botchway), Mark Gatiss (Steven Crosswell), Catherine Tate (Kirsty Henderson), Nina Sosanya (Laura Williams), Timothy West (Fred Norris), Bhasker Patel (Pravin Shah), Fisayo Akinade (Jonathan Clarke), Kadiff Kirwan (Jerome Hanikie), Myanna Buring (Tilde Larson), Wanda Opalinska (Alexandra Peters), Pandora Colin (Rochena Peters), Hadley Fraser (Alastair Swift), Aϊcha Kossoko (Ailia Aminu), Gerard Horan (Alan Walker), Prasanna Puwanarajah (Tom Baird), Rita Balogun (Jasmine Lennon), Alive Hewkin (Carla Wu), Stavros Demetraki (Paul Alleyne), Michael Shaeffer (Gerry Henderson), Nicholas Burns (Kenneth Robson), Rosalie Craig (Louisa Robson), Madalena Alberto (Maria Ferreira), Jade Anouka (PC Chika Devan), Paul Chahidi (Howard Roberts), Stephen Kennedy (Stuart Coghlan), Dame Judi Dench (Christine Metcalf), Finty Williams (Lola Parkes), Chukwudi Iwuji (Adeyami Abudu), Bill Paterson (Simon Featherstone), Rachel Denning (Claire Dunn), Jackie Clune (Maggie Tann), Heather Craney (Terri Fletcher), Yusra Wursama (Hanni Yonis), Joanna Griffin (Sally Dodds), Beverley Longhurst (Katie Dahl), Andrew McDonald (Anthony Lester), Penny Ryder (Emma Watts), Eddie Arnold (Daniel Moreno), Gurdas Singh, Nia Woodward, Paul Giddings, Sabina Arthur, Sunny Yeo