Mark Elstob

 was an actor who appeared in several Big Finish Productions. He started his career mainly in the theatre with occasional appearances in film and television, one of these being a stint in the soap opera Emmerdale.

More recently Elstob has become the new voice of "Number 6" in Big Finish's revival of The Prisoner series on audio.

The War Doctor

 * Pretty Lies - Editor/Old Man

Tenth Doctor Adventures

 * The Sword of the Chevalier - Joxer/Butler

Torchwood

 * ''The Dying Room - Herr Grau