Gary Seven

Gary Seven was a human male, who was Supervisor 194 the mysterious alien group known as the Aegis. The Aegis captured Seven's ancestors c.4000 BC, and each generation was trained to become secret agents.

Assignment: Earth
Seven was sent back to Earth in 1968 to complete the work of Agent 201 and Agent 347 who were killed in an automobile accident. Before reaching Earth, his transporter beam was intercepted by the USS Enterprise (NCC-1701) who were orbiting Earth on a research mission. Seven managed to escape to the agents New York City apartment.

With assistance from his aides Roberta Lincoln and Isis, and with hinderance from Captain James T. Kirk, Seven managed to stop mankind from launching into a nuclear war. (TOS episode: "Assignment: Earth").