Jeff Tracy is a fictional character from Gerry and Sylvia Anderson's Supermarionation television show Thunderbirds and the subsequent films Thunderbirds Are GO and Thunderbird 6. The voice for the character in these shows was supplied by Peter Dyneley. The character also appeared in the live action movie Thunderbirds. In the latter he was played by actor Bill Paxton.The series was first broadcast in 1965 and was set a hundred years in the then future, in 2065, when Jeff was (or will be) 56.