Thomas Fairfax

 was an English general during English Civil War, fighting against King Charles I.

Together with Oliver Cromwell, he conspired to depose the king. He ordered that Charles I be transferred to Hurst Castle. (PROSE: The Roundheads)

Behind the Scenes
Fairfax was played by Nigel Anthony in the radio play God's Revolution and Dougray Scott in the film To Kill a King.