Patrick Troughton and Tom Baker have been in consecutive Ray Harryhausen Sinbad movies, Baker as the villain in The Golden Voyage of Sinbad and Troughton as a wise alchemist in Sinbad and the Eye of the Tiger.
Oooh, I didn't know that, haven't seen them in 30+ years, before I'd seen any Doctor Who. Well, there's a reason to watch them sometime in the near Future. I believe I have recordings from TCM of both of them, that I haven't watched yet.
One Day I hope to be the Man my Cat thinks I am
Where are we going? And why are we in this Handbasket?