The Mysterons are an alien race able to create duplicates of beings and objects. After astronauts attack their city on Mars, they declare war on humanity and use a duplicate of Captain Scarlet in an attempt to assassinate the World President. They later attack Cloudbase, but reverse time and leave the base intact. The summary gives no plot details about Colonel White or Captain Black.
A young chemist falsely accused of a jewel robbery who seeks help from his criminal aunt. He reluctantly agrees to steal a secret pearl-making formula from Professor Bauer, gets knocked unconscious during the botched heist, and becomes an unwilling test subject for Dr. Rollins' radical brain theory. He is eventually proven innocent.
Donald Gray has 23 screen credits in a career dating back to 1934. Their work is anchored in the Quatermass (Hammer) Collection universe with 1 titles. Signature works include Captain Scarlet and the Mysterons, Strange Experiment, Target: Captain Black!. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.