Rebecca Edison "Bex" Taylor-Klaus (August 12, 1994) American actress. He is best known for his role in the murder series The Killing (2013). He is also known for the series Arrow (2013--15), where he played the character Sin, House of Lies (2014), where he played the Lex, and Scream (2015-16), where he appeared as Audrey Jensen. Until 2018, Netflix's animated series Voltron: Legendary Defender also voiced the character of Katie "Pidge" Holt.