Guest Stars Freddie Wise as Geoffrey Charles Richard Hope as Harris Pascoe Amelia Clarkson as Rosina Hoblyn Oscar Novak as Jeremy Poldark Sofia Oxenham as Tess Tregidden Woody Norman as Valentine Warleggan Wensdae Gibbons as Clowance Poldark Anthony Calf as William Wickham Lily Dodsworth-Evans as Cecily Hanson