Michael Palin

Sir Michael Palin played The Voice in the Big Finish Torchwood series audio story Tropical Beach Sounds and Other Relaxing Seascapes 4.

Career
Michael Palin turned down the role of the Eighth Doctor in Doctor Who. (REF: Doctor Who: Regeneration)

He was a member of Monty Python with John Cleese.

In the Doctor Who universe
Sylvia Noble once compared her daughter, Donna Noble, to Michael Palin when she indicated a desire to travel. (TV: The Sontaran Stratagem) In Vanezia, Rose asked the Tenth Doctor why he needed to use The Space Traveller's Guide, since she assumed he was "like Michael Palin or something". (COMIC: Opera of Doom!)