Mark Gatiss (born 17 October 1966) is a multifaceted English actor, writer, director, producer, and novelist, celebrated primarily for his contributions to television. He often collaborates with Steven Moffat, co-creating and performing in various acclaimed series. Throughout his career, Gatiss has garnered numerous accolades, including a BAFTA TV Award, a Primetime Emmy Award, a Peabody Award, and two Laurence Olivier Awards.
Gatiss co-created and acted in the BBC comedy series The League of Gentlemen, which aired from 1999 to 2002. He is also known for his role as Mycroft Holmes in the BBC adaptation of Sherlock (2010–2017) and as Frank Renfield in the 2020 miniseries Dracula, produced by BBC and Netflix. In addition, he contributed to Doctor Who by writing multiple episodes during Moffat’s time as showrunner, as well as two episodes when Russell T Davies was in charge. His television appearances include Tycho Nestoris in Game of Thrones (2014–2017), Stephen Gardiner in Wolf Hall (2015), and Peter Mandelson in Coalition (2015). His film credits include Victor Frankenstein (2015), Denial (2016), Christopher Robin (2018), The Favourite (2018), The Father (2020), Operation Mincemeat (2021), and Mission: Impossible – Dead Reckoning Part One (2023).
On the stage, Gatiss has portrayed Menenius in the revival of Coriolanus (2013), for which he received a Laurence Olivier Award nomination. He played King George III in The Madness of George III (2018) and Sir John Gielgud in The Motive and the Cue (2023), winning the Laurence Olivier Award for Best Actor for the latter. Other notable theatre performances include The Recruiting Officer (2012), The Vote (2015), and A Christmas Carol: A Ghost
