Hugh Fraser
From Tardis Wiki, the free Doctor Who reference
Hugh Fraser voiced Zero in the Big Finish Doctor Who audio story Spring, Dr Hanri Kerrem in The Cradle of the Snake, Tallister in War Against the Laan, Dr Schwartzmann / Rider in Criss-Cross and Sherringford Holmes in All-Consuming Fire. He played an uncredited role as an Militiaman in The Smugglers.