Recurring Guest Characters Director / Producer 19 guest appearances Film Critic / Host - The Canon 6 guest appearances Author - How Great Science Fiction Works 6 guest appearances Professor of Science Fiction Studies - Georgia Tech 6 guest appearances Science Journalist - BBC Radio 4 5 guest appearances Managing Editor / Film Critic - Screencrush 5 guest appearances Physicist / Science Writer - Hollywood Science: Movies, Science, and The End of The World 4 guest appearances Senior Tech Culture Editor - ARS Tecnica 4 guest appearances Head Writer - Mystery Science Theater 3000 4 guest appearances Actor - Doctor Who 4 guest appearances Actor - Star Trek: The Next Generation 3 guest appearances Actor - Alien Franchise / Avatar 3 guest appearances Creature Effects Designer - Alien Franchise 3 guest appearances SF Author 3 guest appearances Writer - Star Trek / Babylon 5 3 guest appearances Author / Editor - Selected Stories of Philip K. Dick 3 guest appearances Actor - Looper 3 guest appearances Visual Effects Director - Close Encounters of the Third Kind 2 guest appearances Producer / Screenwriter - Independence Day 2 guest appearances Musician 2 guest appearances ⇤ « 1 2 3 4 5 6 » ⇥
Physicist / Science Writer - Hollywood Science: Movies, Science, and The End of The World 4 guest appearances