Jack Tracy

Corporal Jack Tracy was a member of UNIT who worked alongside Corporal Benton doing surveillance work on International Electromatics. They later took the Second Doctor and Jamie to UNIT HQ. (DW: The Invasion)

Soon after this, Tracy was frequently given undercover work. (MA: The Scales of Injustice)

Behind the Scenes

 * Tracy's first name was not given on-screen, only in MA: The Scales of Injustice.