English actor, writer and director Chiwetel Ejiofor is renowned for his portrayal of Solomon Northup in 12 Years a Slave (2013), for which he received Academy Award and Golden Globe Award nominations, along with the BAFTA Award for Best Actor. He is also known for playing Okwe in Dirty Pretty Things (2002), the Operative in Serenity (2005), Lola in Kinky Boots (2005), Luke in Children of Men (2006), Dr. Adrian Helmsley in 2012 (2009) and Dr. Vincent Kapoor in The Martian (2015).