Hiam Abbass (born 30 November 1960), sometimes spelled as Hiyam Abbas, is an Arab-Israeli actress and film director. She is known for her roles in films such as The Syrian Bride (2004), Paradise Now (2005), Free Zone (2005), Munich (2005), The Visitor (2007), Lemon Tree (2008), Insyriated (2017), and Blade Runner 2049 (2017). She gained prominence for her role as Marcia Roy in the HBO drama series Succession (2018–2023). She has also acted in the Channel 4 series The Promise (2011), the Lifetime miniseries The Red Tent (2014), the Hulu comedy series Ramy (2019–present), and the Hulu drama series The Old Man (2022).