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 James Backway as Gordon Matthias Lier as Herr Kuhne Beat Marti as Herr Trutz Jake Douglas as Stephen Carl Grübel as Ralf Khune George Webster as Ted Richard Clements as Arnold Colin Carnegie as Lol Martin Walsh as Bert Sara Kelly as Farmer's Daughter Geraint Downing as Shortbread Charlotte McCurry as Daisy Karl Haynes as Man on Bus Channan Hanif as Sadiq