Winner of Best Supporting Actor in a Play at the 2016 What'sOnStage Awards and Best Supporting Actor at the 2016 Olivier Awards

Mark Gatiss is a tour de force 

Kate Maltby
The Guardian on The Madness of George III

And Mark Gatiss brings his usual air of winning English camp to the role, so familiar in Chekhov, of the wise but rueful visiting doctor – hilariously ending up on all fours with back-pain as he proposes, with no romantic ceremony, to the only woman who’d have him but hitting a touching, unforced note of sentimentality as well, when he breaks into a Russian folk song.

Dominic Cavendish
The Telegraph on Three Days in the Country

'National treasure can surely not be far away for the writer of Sherlock' - The Guardian

Mark Gatiss is excellent as Menenius, the 'humorous partrician'

Michael Billington
The Guardian on Coriolanus

[...]a wonderfully twitchy Mark Gatiss, relishing his brief moment of authority[...]

Michael Billington
The Guardian on The Vote