London-born director Alrick Riley has enjoyed a successful career in his home country, having directed multiple episodes of well-known British series such as Ashes to Ashes, Hustle and Death in Paradise. He is probably best known for directing 12 episodes of the high-profile BBC primetime drama Spooks (known as MI-5 in the US and Canada) between 2004 to 2011. In 2014 he took on several US assignments, including Perception, Intelligence and Graceland. His first episode of Castle was 7x02, followed closely by 7x07.
Click here for Alrick Riley's page at the Internet Movie Database.