Here's a list of actors from Season 7 of Game of Thrones that I have seen on stage (Mostly London theatres)
This list is unfinished and may be modified from time to time
If you have your own list let me know and I will post a link here
Go to my Game of Thrones - Season 7- Cast list used to make this list
01 - Jon Snow - Kit Harington - posh — Royal Court Theatre (2010)
02 - Petyr 'Littlefinger' Baelish - Aidan Gillen - The Water Engine — Hampstead Theatre (1989)
03 - Davos Seaworth - Liam Cunningham - Goodnight Siobhan — Royal Court (1990)
04 - Arya Stark - Maisie Williams - I and You — Hampstead Theatre (2018)
05 - Lord Varys - Conleth Hill - The Government Inspector — Tricycle Theatre (1994)
06 - Theon Greyjoy - Alfie Allen - The Spoils — Trafalgar Studios (2016)
07 - Ellaria Sand - Indira Varma - Othello — Cottesloe Theatre (1997)
08 - Gendry - Joe Dempsie - Even Stillness Breathes Softly Against A Brick Wall — Soho Theatre (2013)
09 - Jorah Mormont - Iain Glen - King Lear — Royal Court (1993)
10 - Bronn - Jerome Flynn - Timon of Athens — Young Vic (1991)
11 - Beric Dondarrion - Richard Dormer - Una Pooka — Tricycle Theatre (1992)
12 - Thoros of Myr - Paul Kaye - Our Country's Good — Olivier Theatre (2015)
13 - Gilly - Hannah Murray - Martine — Finborough Theatre (2014)
14 - Benjen Stark - Joseph Mawle - Last Days of Judas Iscariot — Almeida Theatre (2008)
15 - Randyll Tarly - James Faulkner - A Patriot for Me — Barbican Theatre (1995)
16 - Olenna Tyrell - Diana Rigg - All for Love — Almeida Theatre (1991)
17 - Meera Reed - Ellie Kendrick - Romeo and Juliet — Shakespeare's Globe (2009)
18 - Archmaester Ebrose - Jim Broadbent - The Recruiting Officer — Royal Court (1988)
19 - Tycho Nestoris - Mark Gatiss - The Recruiting Officer — Donmar Warehouse (2012)
20 - Harrag - Brendan Cowell - Yerma — Young Vic (2016)
21 - Podrick Payne - Daniel Portman - The Collector — The Vaults, Waterloo (2016)
22 - Walder Frey - David Bradley - King Lear — Lyttelton Theatre (1990)
23 - Yara Greyjoy - Gemma Whelan - Dark Vanilla Jungle — Soho Theatre (2014)
24 - Qyburn - Anton Lesser - Wild Oats — Lyttelton Theatre (1995)
25 - Stark Soldier - Danny Kirrane - Jerusalem — Royal Court Theatre (2009)
26 - Grey Worm - Jacob Anderson - King Lear — Young Vic (2009)
27 - Koner - Joseph Quinn - Deathwatch — Print Room at The Coronet (2016)
28 - Robett Glover - Tim McInnerny - Valued Friends — Hampstead Theatre (1989)
29 - Yohn Royce - Rupert Vansittart - Arsenic and Old Lace — Strand Theatre (2003)
30 - Goldcloak - Kevin Eldon - Pinter's People — Theatre Royal Haymarket (2005)
31 - Goldcloak - Laurence Spellman - Bent — Trafalgar Studios (2006)
32 - Rhaegar Targaryen - Wilf Scolding - Strange Interlude — Lyttelton Theatre (2013)
33 - High Septon Maynard - Tom Chadbon - Macbeth — Tricycle Theatre (1995)
34 - Crossroads Inn Patron - Ben Fox - Judgement Day — AlmeidaTheatre (2009)
35 - Lannister General - Guy Oliver-Watts - The Prince of Homburg — Lyric Hammersmith (2002)
36 - Crossroads Inn Patron - Mark Roper - Loves Labours Lost — Open Air Theatre Regents Park (2001)