Field Major Styre of the Sontaran G3 Military Assessment Survey, communicating with his impatient Marshal. He operates a robot, experiments on and kills stranded astronauts to gather intelligence for an Earth invasion. He is defeated when Harry sabotages his ship, causing it to kill him as he recharges.
Direct antagonists locked in a life-or-death struggle.
Military hierarchy where Styre answers to his superior officer.
A stranded astronaut whose failed deal turns him against the alien.
A captive who is executed for attempting to flee.
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