Sam Benjamin

Sam Benjamin played an estate agent in the Doctor Who television story Knock Knock.

He later voiced several characters for Big Finish Productions.

Doctor Who

 * Knock Knock - Estate Agent

The Tenth Doctor and River Song

 * Ghosts - Ziggy

The Third Doctor Adventures

 * The Unzal Incursion - Private Robbins

The Diary of River Song

 * A Brave New World - Bryson / Shuttle AI / Council Leader