Name	Known for
Kristine Froseth Nan St. George Nan St. George See fewer	Apostle (2018)
Alisha Boe Conchita Closson Conchita Closson See fewer	Do Revenge (2022)
Grace Ambrose Paloma Ballardino Paloma Ballardino See fewer	Here Now (2024)
Matthew Broome Guy Thwarte Guy Thwarte See fewer	My Fault: London (2025)
Josh Dylan Lord Richard Marable Lord Richard Marable See fewer	Mamma Mia! Here We Go Again (2018)
Barney Fishwick Lord James Seadown Lord James Seadown See fewer	Living (2022)
Aubri Ibrag Lizzy Elmsworth Lizzy Elmsworth See fewer	The Buccaneers (2023)
Jacob Ifan Hector Robinson Hector Robinson See fewer	Bang (2017)
Guy Remmers Duke Theo of Tintagel Duke Theo of Tintagel See fewer	The Buccaneers (2023)
Mia Threapleton Honoria Marable Honoria Marable See fewer	The Phoenician Scheme (2025)
Josie Totah Mabel Elmsworth Mabel Elmsworth See fewer	The Buccaneers (2023)
Imogen Waterhouse Jinny St. George Jinny St. George See fewer	Nocturnal Animals (2016)
Leighton Meester Nelle Nelle See fewer	The Roommate (I) (2011)
Christina Hendricks Mrs. Patricia St. George Mrs. Patricia St. George See fewer	Ginger & Rosa (2012)
Amelia Bullmore The Dowager Duchess of Tintagel The Dowager Duchess of Tintagel See fewer	Scott & Bailey (2011)
Anthony Calf Lord Brightlingsea Lord Brightlingsea See fewer	The Madness of King George (1994)
Adam James Colonel Tracy St. George Colonel Tracy St. George See fewer	The Day of the Jackal (2024)
Fenella Woolgar Lady Brightlingsea Lady Brightlingsea See fewer	The Reckoning (2023)
Leigh Lothian Florence Florence See fewer	Nolly (2023)
Seylan Baxter Mrs. Gilmour Mrs. Gilmour See fewer	Macbeth (I) (2015)
Maria Almeida Cora Merrigan Cora Merrigan See fewer	The Strays (2023)
Amanda Bright Mrs. Merrigan Mrs. Merrigan See fewer	In from the Cold (2022)
Jason Alan Staines London Footman (uncredited) London Footman (uncredited) See fewer	The Buccaneers (2023)