He was hypnotised to aid WOTAN in its plot to conquer Earth. While under hypnosis, he called Dodo Chaplet so that WOTAN could hypnotise her. He supervised the construction of the War Machines. He captured Ben Jackson as an enemy of "mechanised evolution". When a hypnotised Polly Wright let Ben escape without sounding the alarm, he questioned her motives and had her sent back to WOTAN to be punished. When WOTAN was destroyed, Green had no memory of these events. (TV: The War Machines)