An animated series Doctor and a new version of K-9 from a Nelvana studios.The series never came to pass and after emailing Nelvana for info, apparently anyone who might have been involved in it are not available.
The first alternate Doctor from the DOCTOR WHO-Unbound line of audios available from BIG FINISH staring Geoffrey Bayldon, who is best known for playing "Organon" in Doctor Who episode: "The Creature from the Pit." The story is called Auld Mortality.
The Second alternate Doctor from DW-Unbound is played by the great David Warner, who has worked in so many movies, tv shows, and cartoons that it would take quite a while to list them all. Thank fully the Internet Movie Database can give a better list than of his works.The story he did is Sympathy for the Devil.
David Collings plays the Doctor in another of the Doctor Who Unbound Series from Big Finish. The story he plays in is Full Fathom Five He has also been in Doctor Who in several other tv productions, namely,Robots of Death,Revenge of the Cybermen and Mawdryn Undead.
Micheal Jayston returns as the Valeyard in the Unbound audio, He Jests At The Scars, where in this story, we are shown what if he had taken over the 6th Doctors' remaining regenerations. He originally played the role of the Valeyard, in the Trial Of A Timelord storyline during the Colin Baker era.
Sir Derek Jacobi
Arabella Weir
Rowan Atkinson
Say what you will about fan fiction of any sort, sometimes the best stuff comes from it or starts something new.This drawing is of the Audio Visuals Doctor.These fan made audios had all sorts of involvement of people who still work with Doctor Who today.These stories helped start off the BBV and Big Finish. Voiced by Nicholas Briggs and the picture is based off of pictures of Nicholas. This art is from the story "Party Animals" which appeared in Doctor Who Magazine.The 7th Doctor ran into his possible future self while attending a friends birthday party.Both Ace and Rita hit it off quit well and joined in the party brawl.
The Doctor Featured here is the "9th"Doctor from the BBC Animated serial "The Scream Of Shalka" The Doctor here was voiced by Richard E Grant, who previously had the role of the Doctor in the Red Nose Day Doctor Who spoof, Curse of the Fatal Death.
David Banks, the actor best known as Cyberleader, was given the role of the Doctor in the stageplay, The Ultimate Adventure, when Colin, was unable to be in the role one night.