Bentley played a prostitute in the fourth season of the HBO series Game of Thrones, appearing in a bath scene opposite Davos Seaworth, who is played by Liam Cunningham. In April 2015, it was announced that Bentley will also appear in the show's fifth season. She has also appeared in a music video for Wiz Khalifa and in a mainstream film titled Look of Love. On 19 August 2014, Cosmopolitan UK published an article titled "14 weird questions about life as a porn star, answered by professionals", in which Bentley is featured. On 7 February 2016, she penned a blog for The Huffington Post titled "Women Against Feminism – A Pornstar's Point of View", in which she criticised feminists who slut-shame porn actresses, and is now a Writer for Jerrick Media talking about sex, porn, geek culture, yoga and health.
On 16 April 2015, Bentley made her DJing debut at Total Uprawr in the London Borough of Camden. She also plays classical piano. She joined a PETA campaign to protest the Russian Space Agency's plan to send four macaque monkeys to Mars in 2017, in which she was laid in a pool of fake blood while wearing body paint that depicted her as a monkey in a space helmet outside of the Embassy of Russia in London on 13 January 2016. Samantha is a fully qualified yoga instructor and teaches privately in London.
