Claim: Charles Dance portrayed Alastair Denniston in the film The Imitation Game.
Evidence: Some of his most high-profile roles are Tywin Lannister in HBO 's Game of Thrones , Guy Perron in The Jewel in the Crown -LRB- 1984 -RRB- , Sardo Numspa in The Golden Child -LRB- 1986 -RRB- , Jonathan Clemens in Alien 3 -LRB- 1992 -RRB- , Benedict in Last Action Hero -LRB- 1993 -RRB- , the Master Vampire in Dracula Untold -LRB- 2014 -RRB- , Lord Havelock Vetinari in Terry Pratchett 's Going Postal -LRB- 2010 -RRB- and Alastair Denniston in The Imitation Game -LRB- 2014 -RRB-.
The Imitation Game is a 2014 American historical drama thriller film directed by Morten Tyldum and written by Graham Moore loosely based on the biography Alan Turing : The Enigma by Andrew Hodges -LRB- which was previously adapted as the stage play and BBC drama Breaking the Code -RRB-.