Best recognized as the husband of Doctor Who and Torchwood star John Barrowman.
He and Barrowman met in 1993 when he went to see Barrowman in a production of Rope at the Chichester Festival Theatre.
In 2008, he appeared in the John Barrowman episode of The Making of Me.
He married John Barrowman in California in 2013.
His husband starred on the incredibly popular series Doctor Who during which David Tennant appeared as The Doctor.