Guest Stars Pearl Mackie as Alysse Jess Chanliau as Ronnie Buckhurst Tim Delap as Byron Kenichiro Thomson as Martin Bhav Joshi as Anu Kapoor T'Nia Miller as Cecilia Dennison Rupert Vansittart as Julian Hoope David Bark-Jones as Alistair Kemper-Waithe Colin Mace as Shenk