Captain Grey is a character from Captain Scarlet And The Mysterons.
Bradley Holden is the real name of this agent, who was born in Chicago, Illinois, in 2033. He was educated in the World Navy Academy in San Diego, joining the World Navy when he graduated. When the World Aquanaut Security Patrol was formed, he became their first Security Commander and helped to develop Stingray. He was later recruited into Spectrum as a field agent. He was voiced by Paul Maxwell.