Mark Gatiss gets made up to become Gantok – Doctor Who Confidential – Series 6 – BBC Three

An insight into how Mark Gatiss was transformed into Gantok through prosthetics. Features an unseen interview not previously broadcast.
http://www.bbc.co.uk/doctorwho

Doctor Who’s River Song Timeline Birth To Death Narrated by River Song (Alex Kingston)

Mark Gatiss falls into a pit of skulls: the stunt – Doctor Who Confidential – Series 6 – BBC Three

An insight into how Mark Gatiss was transformed into Gantok through prosthetics. Features an unseen interview not previously broadcast.
http://www.bbc.co.uk/doctorwho