Sabrina Lois Bartlett (born September 12, 1991) is an English actress. She is known for her television work, notably, playing Siena Rosso in the first series of Bridgerton (2020) and playing Mariette Larkin in The Larkins (2021).
F*ck Valentine's Day
0.0
I, Jack Wright
Bella · (6 episodes)
6.0
2025
The Larkins
Mariette Larkin · (7 episodes)
6.4
2021
Bridgerton
Siena Rosso · (5 episodes)
8.1
2020
The Innocents
Lil · (1 episode)
5.7
2018
Knightfall
Princess Isabella · (10 episodes)
7.0
2017
Victoria
Abigail Turner · (7 episodes)
7.3
2016
Versailles
Mathilde · (3 episodes)
7.8
2015
Poldark
Keren Smith · (3 episodes)
7.8
2015
The Passing Bells
Katie · (5 episodes)
7.6
2014
Suspects
Hannah Stevenson · (1 episode)
5.3
2014
Da Vinci's Demons
Sophia · (6 episodes)
7.5
2013
Game of Thrones
Handmaid · (1 episode)
8.5
2011
Doctor Who
Quayle's Ward · (1 episode)
7.5
2005
Holby City
Gabriella 'Gabi' Mendoza · (1 episode)
5.7
1999
Midsomer Murders
Tina Tyler · (1 episode)
7.5
1997