Real name: Ian Taggart Spectrum Position: Colour-coded senior officer Other details: Although not confirmed, Captain Grey appears to be Scottish, and is seen playing the bagpipes in Instrument of Destruction part I. Appears in: Instrument of Destruction part I, Mercury Falling, Touch of the Reaper, Enigma, Syrtis Major, Fallen Angels, The Storm at the End of the World & Shape Shifter Voiced by: Robbie Stevens