Did Mark play a major role in the series'Sherlock'?
Yes
No
Only in the first season
Only in the final season
Answer
Yes, Mark Gatiss played a major role in the series'Sherlock'. He played the role of Sherlock Holmes's brother, Mycroft Holmes. Gatiss was also the co-creator and writer of the series.
The Remarkable World of Mark Gatiss: A Journey Through His Achievements