- =====Series Cast=====
| [1] | Jessica Brown Findlay | ... | Lady Sybil Crawley (15 episodes, 2010-2011) |
| [2] | Laura Carmichael | ... | Lady Edith Crawley (15 episodes, 2010-2011) |
| [3] | Michelle Dockery | ... | Lady Mary Crawley (15 episodes, 2010-2011) |
| [4] | Siobhan Finneran | ... | Sarah O'Brien (15 episodes, 2010-2011) |
| [5] | Joanne Froggatt | ... | Anna (15 episodes, 2010-2011) |
| [6] | Phyllis Logan | ... | Mrs. Hughes (15 episodes, 2010-2011) |
| [7] | Elizabeth McGovern | ... | Cora, Countess of Grantham (15 episodes, 2010-2011) |
| [8] | Sophie McShera | ... | Daisy (15 episodes, 2010-2011) |
| [9] | Lesley Nicol | ... | Mrs. Patmore (15 episodes, 2010-2011) |
| [10] | Maggie Smith | ... | Violet, Dowager Countess of Grantham (15 episodes, 2010-2011) |
| [11] | Penelope Wilton | ... | Isobel Crawley (15 episodes, 2010-2011) |
| [12] | Hugh Bonneville | ... | Robert Crawley, Earl of Grantham (15 episodes, 2010-2011) |
| [13] | Brendan Coyle | ... | John Bates (15 episodes, 2010-2011) |
| [14] | Thomas Howes | ... | William (15 episodes, 2010-2011) |
| [15] | Rob James-Collier | ... | Thomas (15 episodes, 2010-2011) |
| [16] | Dan Stevens | ... | Matthew Crawley (15 episodes, 2010-2011) |
| [17] | Jim Carter | ... | Mr. Carson (11 episodes, 2010-2011) |
| [18] | Allen Leech | ... | Tom Branson (11 episodes, 2010-2011) |
| [19] | David Robb | ... | Dr. Clarkson (11 episodes, 2010-2011) |
| [20] | Amy Nuttall | ... | Ethel (8 episodes, 2011) |
| [21] | Kevin Doyle | ... | Molesley (8 episodes, 2010-2011) |
| [22] | Rose Leslie | ... | Gwen (7 episodes, 2010) |
| [23] | Maria Doyle Kennedy | ... | Vera Bates (5 episodes, 2011) |
| [24] | Robert Bathurst | ... | Sir Anthony Strallan (3 episodes, 2010) |
| [25] | Zoe Boyle | ... | Lavinia Swire (3 episodes, 2011) |
| [26] | Samantha Bond | ... | Lady Rosamund Painswick (3 episodes, 2010-2011) |
| [27] | Iain Glen | ... | Sir Richard Carlisle (3 episodes, 2011) |
| [28] | Daniel Pirrie | ... | Major Bryant (3 episodes, 2011) |
| [29] | Lionel Guyett | ... | Taylor (2 episodes, 2010) |
| [30] | Helen Sheals | ... | Postmaster's Wife / ... (2 episodes, 2010) |
| [31] | Cal Macaninch | ... | Henry Lang (2 episodes, 2011) |
| [32] | Fergus O'Donnell | ... | John Drake / ... (2 episodes, 2010-2011) |
| [33] | Brendan Patricks | ... | Evelyn Napier (2 episodes, 2010) |
| [34] | Cathy Sara | ... | Mrs. Drake (2 episodes, 2010-2011) |
| [35] | Stephen Ventura | ... | Davis (2 episodes, 2011) |
| [36] | Christine Lohr | ... | Mrs. Bird (2 episodes, 2010-2011) |
| [37] | Catherine Balavage | ... |
Suffragette (2 episodes, 2010) |