Matt Zimmerman

Matt Zimmerman (born 26 December 1934 ) voiced Alan Tracy in the television series Thunderbirds, as well as the two films  and, with the exception of the pilot episode Trapped in the Sky where Alan was played by Ray Barrett. Zimmerman's credits included the first series episode The Man from MI.5, which crossed over into the Doctor Who universe by featuring the Daleks. He also voiced "the Third Man" in that episode, as well as many other guest characters over the duration of the series.

He appeared in one episode of another Gerry Anderson-produced series, the live-action, and returned to the Thunderbirds franchise for a 2015 episode of the revival series. Zimmerman has also appeared on stage, starring in such productions as, , and. Among other notable film credits is his role as Shooty in The Hitchhiker's Guide to the Galaxy.