Mark Gatiss Talks Keeping Secrets On Sherlock (Comic-Con 2013)

Mark Gatiss Talks Keeping Secrets On Sherlock (Comic-Con 2013)

Mark Gatiss chats with Access about how the producers of PBS Masterpiece series “Sherlock” are able to keep the show’s secrets, even while filming in public. What happens when a photographer gets a photo of something that could be considered a spoiler? Plus, what’s it like working with Benedict Cumberbatch and Martin Freeman?