Samantha is well recognized in the British movie industry.
By the late 2010s, she often ventured back into television, starring in the series The Last Panthers 2015 , Rillington Place 2016 , Harlots 2017—2019 , and The Walking Dead 2019—2020.
She won the Golden Globe Award for Best Supporting Actress — Series, Miniseries or Television Film for her role in Longford.