Guest Stars Ewan Mitchell as Tom Bennett Jay Sajjid as Ishwar Bhavik C. Pankhania as Singh Forrest Bothwell as George Ceallach Spellman as Joe Broughton Jonathan Harden as Captain Briggs Friederike Ott as Frau Kuhne Matthias Lier as Herr Kuhne James Backway as Gordon Beat Marti as Herr Trutz Jake Douglas as Stephen Carl Grübel as Ralf Khune George Webster as Ted Richard Clements as Arnold Martin Walsh as Bert Colin Carnegie as Lol Charlotte McCurry as Daisy Sara Kelly as Farmer's Daughter Geraint Downing as Shortbread Karl Haynes as Man on Bus Channan Hanif as Sadiq