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