DAVID BRADLEY & MARK GATISS on DOCTOR WHO’s Origins - An Adventure in Space & Time on BBC AMERICA

Subscribe now for exclusive DOCTOR WHO videos & more: Watch the trailer for AN ADVENTURE IN SPACE AND TIME: Follow more DOCTOR WHO: Tumblr: Twitter: : Hear star DAVID BRADLEY (Game of Thrones, Broadchurch) and Writer/Executive Producer MARK GATISS (Sherlock, Doctor Who) talk, on the floor of San Diego Comic-Con, about where