- You may be looking for Mark Twain, also known as Samuel Clemens.
Sam Clemens, also credited as Samuel Clemens, was a voice actor and director for Big Finish Productions.
Acting credits
As Mantus
Gallifrey
Other roles
Main Range
Fourth Doctor Adventures
- The Planet of Witches - Yggra / Tiresias / Familiars
The Third Doctor Adventures
UNIT
The Diary of River Song
- The Web of Time - Corporal Buscombe/The Intelligence
Directing credits
Main Range
- The Monsters of Gokroth
- The Moons of Vulpana
- An Alien Werewolf in London
- The Psychic Circus
- Subterfuge
- The Flying Dutchman / Displaced
The Third Doctor Adventures
- Operation: Hellfire - Winston Churchill's lines only. (BFX: Operation: Hellfire)