Keith Alexander

Keith Alexander featured in some of the productions of Gerry Anderson. In addition to voicing the character of John Tracy and serving as narrator for the 1968 film Thunderbird 6, Alexander voiced Sam Loover and numerous supporting characters in the TV series Joe 90. His other Anderson appearances are the 1969 film Doppelgänger and the TV series UFO as Lt. Keith Ford.

In The Secret Service series, he voiced the following characters: