This is the voice of the Mysterons - Intro, Captain Scarlet Review by Iain Delaney: Captain Scarlet and the Mysterions is the 1967 follow-up to Gerry and Sylvia Anderson’s phenomenally successful Thunderbirds series. The show followed the attempts of the Spectrum organization to foil the attacks of the Mysterons from Mars. Captain Scarlet, an agent of Spectrum, was rendered indestructible