Here's a list of actors from Season 2 of The Crown 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 The Crown - Season 2- Cast list used to make this list
01 - Queen Elizabeth II - Claire Foy - DNA/The Miracle — Cottesloe Theatre (2008)
02 - Prince Philip, Duke of Edinburgh - Matt Smith - Swimming with Sharks — Vaudeville Theatre (2007)
03 - Princess Margaret - Vanessa Kirby - The Acid Test — Royal Court Theatre (2011)
04 - Queen Elizabeth the Queen Mother - Victoria Hamilton - As You Like It — Barbican Theatre (1996)
05 - King George VI - Jared Harris - Hamlet — Barbican Theatre (1989)
06 - Anthony Eden - Jeremy Northam - Hamlet — Olivier Theatre (1989)
07 - Harold MacMillan - Anton Lesser - Wild Oats — Lyttelton Theatre (1995)
08 - Winston Churchill - John Lithgow - The Magistrate — Olivier Theatre (2012)
09 - Lord Altrincham - John Heffernan - Major Barbara — Olivier Theatre (2008)
10 - Michael Adeane - Will Keen - Mary Stuart — Lyttelton Theatre (1996)
11 - David, Duke of Windsor - Alex Jennings - The Taming of the Shrew — Barbican Theatre (1988)
12 - Mike Parker - Daniel Ings - Frankenstein — Olivier Theatre (2011)
13 - President Nkrumah - Danny Sapani - Richard II — Cottesloe Theatre (1995)
14 - Patricia Campbell - Gemma Whelan - Dark Vanilla Jungle — Soho Theatre (2014)
15 - Stephen Ward - Richard Lintern - Hamlet — Young Vic (1999)
16 - Peter Townsend - Ben Miles - Hamlet — Barbican Theatre (1989)
17 - Robin Day - Bertie Carvel - Revelations — Hampstead Theatre (2003)
18 - Prince Andrea - Guy Williams - Rose Rage Part 1 — Theatre Royal Haymarket (2002)
19 - Lady Rosse - Anna Chancellor - Stanley — Cottesloe Theatre (1996)
20 - Eileen Parker - Chloe Pirrie - Men Should Weep — Lyttelton Theatre (2010)
21 - Lord Mountbatten - Greg Wise - Nabakov's Gloves — Hampstead Theatre (1998)
22 - Martin Charteris - Harry Hadden-Paton - Posh — Royal Court Theatre (2010)
23 - Wallis, Duchess of Windsor - Lia Williams - King Lear — Royal Court (1993)
24 - Cecil Beaton - Mark Tandy - Beside Herself — Royal Court (1990)
25 - Tommy Lascelles - Pip Torrens - Stanley — Cottesloe Theatre (1996)
26 - Princess Alice (as Sophie Stone) - Sophie Leigh Stone - Mother Courage — Olivier Theatre (2009)
27 - Jacqui Chan - Alice Hewkin - Kiki's Delivery Service — Southwark Playhouse (2016)
28 - Patrick Plunket - Sam Crane - DNA/The Miracle — Cottesloe Theatre (2008)
29 - Dorothy MacMillan - Sylvestra Le Touzel - Marya — The Old Vic (1990)
30 - Equerry - James Hillier - Lulu — Almeida at Kings Cross (2001)
31 - Porchey - Joseph Kloska - The Vertical Hour — Royal Court (2008)
32 - Humphrey - Miles Jupp - Neville's Island — Duke of York's Theatre (2014)
33 - Peter Cook - Patrick Warner - Overruled — Old Red Lion (2013)
34 - Camilla Fry - Yolanda Kettle - Birdland — Royal Court Theatre (2014)
35 - Elizabeth Cavendish - Catherine Bailey - Tis Pity She's a Whore — Young Vic (1999)
36 - Lord Salisbury - Clive Francis - Hedda Gabler — Hampstead Theatre (1988)
37 - Jeremy Fry - Ed Cooper Clarke - The Madness Of George III — Richmond Theatre (2011)
38 - Master of the Household - Michael Bertenshaw - Taking Care of Baby — Hampstead Theatre (2007)
39 - Peter Beck - Michael Fenton Stevens - Queen Anne — Theatre Royal Haymarket (2017)
40 - Anthony Nutting - Nicholas Burns - Fat Pig — Trafalgar Studios 1 (2008)
41 - Dudley Moore - Ryan Sampson - DNA/The Miracle — Cottesloe Theatre (2008)
42 - Clarissa Eden - Anna Madeley - A Russian in the Woods — The Pit (2002)
43 - Jonathan Miller (as Josh Lacey) - Joshua Lacey - The Magistrate — Olivier Theatre (2012)
44 - Peter Cook - Patrick Warner - Overruled — Old Red Lion (2013)
45 - Norman Hartnell - Richard Clifford - The Magistrate — Savoy Theatre (1997)
46 - Junior Press Secretary - Edmund Digby-Jones - Mrs Orwell — Old Red Lion (2017)
47 - Bobby Kennedy - Julian Ovenden - King Lear — Barbican Theatre (1999)
48 - Bobo Macdonald - Lizzy McInnerny - Beside Herself — Royal Court (1990)
49 - Billy Wallace (as Tom Durant-Pritchard) - Tom Durant Pritchard - The Flouers O'Edinburgh — The Finborough Theatre (2014)
50 - Alec Douglas-Home - David Annen - Demons and Dybbuks — Young Vic (1999)
51 - Philip Kinghorn Burbidge - Des McAleer - Beside Herself — Royal Court (1990)
52 - Doctor Weir - James Laurenson - After the Fall — Lyttelton Theatre (1990)
53 - Buckingham Palace Page - Jonathan Newth - Hamlet — Barbican Theatre (1992)
54 - Colin Tennant - Pip Carter - Present Laughter — Lyttelton Theatre (2007)
55 - Vice-Admiral Conolly Abel Smith - Adrian Lukis - Macbeth — Barbican Theatre (1993)
56 - Royal Detective - Martin Marquez - The Front Page — Donmar Warehouse (1997)
57 - Jim Orr - Oliver Maltman - A Midsummer Night's Dream — Barbican Theatre (2002)
58 - George Allen - Miles Richardson - Alls Well That Ends Well — Globe/Gielgud Theatre (2004)
59 - Lady Mountbatten - Lucy Russell - Semi Monde — Lyric Theatre (2001)
60 - Rab Butler - Michael Culkin - Morphic Resonance — Donmar Warehouse (1999)
61 - Baron Nahum - Julius D'Silva - Pedro the Great Pretender — Playhouse Theatre (2005)
62 - Royal Horological Conservator - James Greene - Una Pooka — Tricycle Theatre (1992)
63 - Vita Sackville-West - Janet Henfrey - The Good Person of Sichuan — Olivier Theatre (1989)
64 - Land Agent - Peter Ellis - Hindle Wakes — Finborough Theatre (2012)
65 - John Wheeler-Bennett - Tristan Sturrock - Spanish Tragedy — The Pit (1997)
66 - Princess Marina - Clare Holman - The Crucible — Olivier Theatre (1990)
67 - SIS Controller - John Sackville - Othello — Barbican Theatre (1999)
68 - Margaret Lambert - Stella Gonet - Hamlet — Olivier Theatre (1989)
69 - Meryn Lewis - Simon Paisley Day - Money — Olivier Theatre (1999)
70 - Vendor - Jack Chissick - The School for Scandal — Barbican Theatre (1998)
71 - Duke of Norfolk - Patrick Ryecart - See U Next Tuesday — Albery Theatre (2003)
72 - Newspaper Editor - Peter Wight - Hamlet — Barbican Theatre (1989)
73 - Aneurin Bevan - Martin Chamberlain - La Grande Magia — Lyttelton Theatre (1995)
74 - President Eisenhower - Matthew Marsh - Marya — The Old Vic (1990)
75 - Stanislaw Radziwill - James Garnon - Pericles - Prince of Tyre — Roundhouse (2002)
76 - Mary Charteris - Jo Herbert - Hello/Goodbye — Hampstead Theatre Downstairs (2013)
77 - Barrister - Peter Forbes - Wiinner Takes All — Orange Tree Theatre (2000)
78 - Doctor Evans - Terrence Hardiman - The Road to Ruin — Orange Tree Theatre (2002)
79 - Baba Metcalfe - Rebecca Saire - Hamlet — Barbican Theatre (1989)
80 - Johnny Dalkeith - Josh Taylor - Each His Own Wilderness — Orange Tree Theatre (2015)