John Hollis, known to Star Wars fans as Lobot from Bespin, recently passed away.

Info passed on from Ken DAlessio:

John Hollis, who played Professor Sondergaard in the Jon Pertwee serial "The Mutants," died on October 18 in London of natural causes. Hollis had an extensive career in science fiction roles, including
on "The Tomorrow People," "Blake's 7," "Adam Adamant Lives,"

"The Avengers," "A For Andromeda" and in the films "Flash Gordon," the "Superman" series and "The Day of the Triffids," and is perhaps best known to fans as Lando Calrissian's aide Lobot in "The Empire Strikes Back".

You can catch up with is long career over at IMDB.