Below you can find the Mark gatiss co-created this mystery! series & was cast as the brother of benedict cumberbatch's character Jeopardy Words Answer. The answer to Mark gatiss co-created this mystery! series & was cast as the brother of benedict cumberbatch's character has 8 letters. This clue belongs to the Masterpiece mystery! category and is part of Jeopardy Word Level 1449. If you scroll near the bottom you will find other clues and answers part of level 1449