 Kate BeckinsaleLady Susan Vernon | Lady Susan Vernon |
 Xavier SamuelReginald DeCourcy | Reginald DeCourcy |
 Morfydd ClarkFrederica Vernon | Frederica Vernon |
 Emma GreenwellCatherine DeCourcy Vernon | Catherine DeCourcy Vernon |
 Tom BennettSir James Martin | Sir James Martin |
 James FleetSir Reginald DeCourcy | Sir Reginald DeCourcy |
 Jemma RedgraveLady DeCourcy | Lady DeCourcy |
 Justin EdwardsCharles Vernon | Charles Vernon |
 Stephen FryMr. Johnson | Mr. Johnson |
 Chloë SevignyAlicia Johnson | Alicia Johnson |
 Jenn MurrayLady Lucy Manwaring | Lady Lucy Manwaring |
 Lochlann Ó MearáinLord Manwaring | Lord Manwaring |
| SSophie RadermacherMiss Maria Manwaring | Miss Maria Manwaring |
 Jordan WallerEdward, Head Footman | Edward, Head Footman |
| RRoss Mac MahonOwen | Owen |
 Kelly CampbellMrs. Cross | Mrs. Cross |
 Conor LambertWilson the Butler | Wilson the Butler |
 Conor MacNeillThe Young Curate | The Young Curate |
 Frank MeliaCoachman | Coachman |
| SSylvie BenoitonVernon Child | Vernon Child |
| DDaniel MageeVernon Child | Vernon Child |
| RRowan FinkenFootman at Churchill | Footman at Churchill |
| DDave TimbsFootman at Churchill | Footman at Churchill |
| LLaura WhelanMaid at Churchill | Maid at Churchill |
| JJames CrerarFootman at Churchill | Footman at Churchill |
| JJohn BrennanFootman at Edward Street | Footman at Edward Street |
| OOlivia FahyMaid at Edward Street | Maid at Edward Street |
| EEllie HoulihanMaid at Edward Street | Maid at Edward Street |
 Carla McGlynnMaid at Upper Seymour Street | Maid at Upper Seymour Street |
 Darragh O'ConnorStable Boy | Stable Boy |
