| Darsteller | Rolle |
|---|---|
| Jack Farthing | George Warleggan (43) |
| Aidan Turner | Ross Poldark (43) |
| Eleanor Tomlinson | Demelza (43) Demelza Poldark (35) |
| Beatie Edney | Prudie (42) Prudie Paynter (8) |
| Tristan Sturrock | Zacky Martin (41) |
| Luke Norris | Dwight Enys (39) |
| Heida Reed | Elizabeth (38) Elizabeth Poldark (9) Elizabeth Warleggan (21) |
| Gabriella Wilde | Caroline Penvenen (12) Caroline Enys (23) |
| Pip Torrens | Cary Warleggan (29) |
| Caroline Blakiston | Aunt Agatha (26) |
| Tom York | Sam Carne (25) |
| Elise Chappell | Morwenna Whitworth (9) Morwenna Chynoweth (7) Morwenna Carne (9) |
| Harry Richardson | Drake Carne (25) |
| Ed Browning | Paul Daniel (22) |
| John Hollingworth | Captain Henshawe (20) |
| Richard Hope | Harris Pascoe (19) |
| Ruby Bentall | Verity (18) Verity Blamey (10) Verity Poldark |
| Phil Davis | Jud Paynter (15) |
| Amelia Clarkson | Rosina Hoblyn (14) Rosina Carne |
| Turlough Convery | Tom Harry (15) |
| Kyle Soller | Francis (14) Francis Poldark (6) |
| Stuart Davidson | Warleggan Footman (2) Warleggan Valet Kiddly Punter Villager Rioting Miner Surgeon Theatregoer Drunk Illogan Miner Stallkeeper Churchgoer Juror Member of Parliament Posh Gentleman |
| Christian Brassington | Ossie Whitworth (11) |
| John Macneill | Jacka Hoblyn (10) |
| Josh Whitehouse | Hugh Armitage (10) |
| James Wilby | Lord Falmouth (10) |
| Robert Daws | Dr. Choake (9) |
| Matthew Wilson | Mark Daniel (9) |
| Daniel Ferguson | Miner (7) Ships Crew (2) |
| John Nettles | Ray Penvenen (9) |
| Gracee O'Brien | Jinny (8) Jinny Carter (3) |
| Crystal Leaity | Margaret (8) Margaret Vosper (2) |
| Robin Ellis | Reverend Halse (8) |
| Jake Blight | Wheal Grace Miner (2) Dead Miner Villager Rioting Miner Wheal Leisure Miner (3) |
| Harry Marcus | Geoffrey Charles (8) |
| John Hopkins | Sir Francis Basset (8) |
| Sean Gilder | Tholly Tregirls (8) |
| Glen Passingham | Barrister (8) |
| Freddie Wise | Geoffrey Charles (8) |
| Peter Sullivan | Ralph Hanson (8) |
| Sofia Oxenham | Tess Tregidden (8) |
| Woody Norman | Valentine Warleggan (8) |
| Oscar Novak | Jeremy Poldark (8) |
| Wensdae Gibbons | Clowance Poldark (8) |
| Michael Culkin | Horace Treneglos (7) |
| Sally Dexter | Mrs. Chynoweth (7) |
| Emma Spurgin Hussey | Mrs. Zacky Martin (7) |
| Lauren Vandike | Beth Daniel (7) |
| Mark Frost | Tom Carne (7) |
| Jason Squibb | Reverend Odgers (7) |
| Sebastian Armesto | Tankard (7) |
| Lewis Peek | Ted Carkeek (7) |
| Esme Coy | Rowella Chynoweth (3) Rowella Solway (4) |
| Alfie Rigby | Valentine Warleggan (7) |
| Lily Dodsworth-Evans | Cecily Hanson (7) |
| Kerri McLean | Kitty Despard (7) |
| Anthony Calf | William Wickham (7) |
| Harriet Ballard | Ruth Teague (4) Ruth Treneglos (2) |
| Garrett Droege | Captain McNeil (6) |
| Rory Wilton | Richard Tonkin (6) |
| Louis Davison | Geoffrey Charles (6) |
| David Cradduck | Member of Parliament (5) Luncheon Club Diner |
| Rebecca Front | Lady Whitworth (6) |
| Vincent Regan | Ned Despard (6) |
| Tim Dutton | Joseph Merceron (6) |
| Patrick Ryecart | Sir Hugh Bodrugan (5) |
| Richard Harrington | Captain Andrew Blamey (5) |
| David Cromarty | Soldier Peasant (2) Passerby Villager |
| Max Willis | Geoffrey Charles (5) |
| Will Merrick | Arthur Solway (5) |
| Ross Green | Charlie Kempthorne (5) |
| Hugh Skinner | Unwin Trevaunance (5) |
| Ciara Charteris | Emma Tregirls (5) |
| Max Bennett | Monk Adderley (5) |
| Dominic Barrow | Tess Tregidden's Brother (5) |
| Warren Clarke | Charles Poldark (4) |
| Alexander Arnold | Jim Carter (4) |
| Richard McCabe | Mr. Trencrom (4) |
| Anthony Farrelly | Footman (4) |
| Mike Burnside | Nathaniel Pearce (4) |
| Ty Hurley | Posh London Gent (4) |
| Daniel Cook | John Treneglos (4) |
| Hywel Simons | Harry Blewitt (4) |
| Will Mattos | Nick Vigus (3) |
| Mary Woodvine | Mrs. Teague (3) |
| Kathryn Carmichael | Rich Lady (3) |
| Marc Danbury | Jim Vercoe (3) |
| Nicholas Read | Geoffrey Charles (3) |
| Richard Price | Naval Officer Vauxhall Pleasure Gardens Gent Vauxhall Pleasure Guardens Gent |
| Zachary Fall | French Agent Laurent (2) |
| Edward Bennett | Prime Minister Pitt (3) |
| Mark Schneider | Killewarren Footman (3) |
| Sabrina Bartlett | Keren Smith (3) |
| Geoffrey Bersey | Chairman (3) |
| Jason Thorpe | Sanson (3) |
| Daniel Kirrane | Harry Harry (3) |
| Jason Gregg | Eli Clemmow (2) |
| Alexander Morris | James Blamey (2) |
| Rose Reynolds | Betty Carkeek (2) |
| Pino Maiello | Islander (2) |
| Sean Pogmore | Nick Vigus (2) |
| Isabella Parriss | Esther Blamey (2) |
| William Mannering | Jeffrey Clymer (2) |
| Steve Jacobs | Landlord (2) |
| Derek Frood | Captain Bray (2) |
| Daisy Moore | Rosa (2) |
| Guillaume Rivaud | Vicomte de Sombreuil (2) |
| Steve Walsh | French Spy in Le Coq Rouge Landlord |
| Martyn Mayger | Prisoner Dignitary |
| Emily Patrick | Belinda (2) |
| Norman Bowman | James Bannantine (2) |
| Andrew Gower | James Hadfield (2) |
| Peter Forbes | Thomas Erskine (2) |
| Eoin Lynch | John Macnamara (2) |
| Billy Geraghty | Blight (2) |
| Tim Seyfert | Redcoat Soldier (2) |
| Josh Taylor | Viscount Bollington (2) |
| Raphael J. Bishop | Valentine Warleggan (2) |
| Charlie Field | John Craven (2) |
| Miles Hamilton | Miner |
| Richard Heacock | Musician at wedding |
| Matthew Cotterell | Illugan Miner |
| Julian Seager | Landlord |
| Darcy Vanhinsbergh | Soldier |
| Tim Delap | Captain |
| Avenda Burnell Walsh | Party and wedding guest |
| Ben Callon | Trooper Wilkins |
| Boyd Rogers | Landlord of Red Lion |
| Samuel Valentine | Jack Tripp |
| Andrew McGillan | Foreman of the Jury |
| Chris Gallarus | Clerk to the Court |
| Richard Dillane | Henry Bull |
| Stephen Boxer | Judge Wentworth Lister |
| William Husbands | Captain Trevose |
| Sian Angharad Anthony | Lady Bassett |
| Morton Tooley | Poor Miner |
| Adrian Dobson | Head Footman |
| Freddie Watkins | Enright |
| Lewis Reynolds | Court Clerk |
| Laurent C. Lucas | French Beheaded |
| Marlise Boland | Posh Lady #1 |
| Juliette Boland | Posh Girl |
| Elyse Ashton | Posh Lady #2 |
| Jean Baptiste Fillon | |
| Max Gold | Doctor |
| Merriel Plummer | Polly Tregaskis |
| Nicolas Carpentier | Jacques Clisson |
| Elsa Mollien | Mariette |
| Siobhan O'Carroll | Amelia Chynoweth |
| Daniel Joseph Woolf | Vauxhall Waiter |
| Jamie Stanley | Bobby |
| Cornelius Booth | Sir Christopher Hawkins |
| Alex Bartram | Town Hall Clerk |
| Nick Owenford | Hangman's Assistant |
| Robin McCallum | Justice Trehearne |
| Jack Riddiford | Jago Martin |
| Dan Wheeler | Constable |
| Simon Thorp | Dr. Penrose |
| Simon Williams | Lord Justice Kenyon |
| David Ellis | Country Gentleman |
| Simon Meacock | Jailer |
| Matthew Rohman | Dancer |
| Mark Seaman | Mr. Tressidder |
| Gruffudd Glyn | Sergeant Tremayne |
| Stuart McNeil | Kemp |
| Susie Fairfax | Mrs. Parkins |
| Joshua McCord | Gaming House Waiter |
| Marc Esse | Pauper |
| Sally Harding | Wealthy Donator |
| Kevin Hudson | Beggar |
| Madeleine Knight | Joan Peter |
| Ben Lambert | St John Peter |
| Sophie Simnett | Andromeda Page |
| Adrian Lukis | Sir John Mitford |
| Lex Lamprey | Footman |
| Rosalind Whelan | Party Guest |
| Richard Durden | Dr. Anselm |
| Jon Ian Dredge | Red Coat Soldier |
| Alexander Perkins | Stone |
| Jack Michael Stacey | Jonas Pettigrew |
| Lasco Atkins | Hanging Attendee |
| Sam Crane | Sir Spencer Percival |
| William Sebag-Montefiore | Foreman of the Jury |
| Richard Dixon | Lord Ellenborough |
| Dan O'Keefe | Coldbath Prison Guard |
| Don Gallagher | Vicar |
| Irina Klimovich | Protestor |
| Alexander Capper | Messenger |
| Bern Collaco | Indian Waiter |
| Timmy Hodgson | Fire performer |
| Rich Lawton | Footman |
| Raymond Mouzon | Prison Guard |
| Heather Nute | Upper-class Passer-by |
| Nico Rogner | General Jules Toussaint |