Nick Frost Commander Henderson Actor Kevin Eldon York Actor Miranda Hart Teal Actor Stephen Evans Vine Actor Dan Antopolski Jeffers Actor Petra Massey Sandstrom Actor Waen Shepherd Captain Helix Guest Star Catherine Shepherd Arabella Guest Star Stephen Mangan Mason Guest Star Paterson Joseph Space Marshall Clarke Guest Star Clare Thomson Commander Roche Guest Star John Roy Humanoid Alien Guest Star Jon Plowman Executive Producer Kevin Cecil Writer Andy Riley Writer John Henderson Director