Now available on Netflix the TV show based on Douglas Adams' characters stars Samuel Barnett (Penny Dreadful, Endeavour), Elijah Wood (The Lord of the Rings Trilogy, Eternal Sunshine of the Spotless Mind) and Hannah Marks (The Amazing Spiderman, Weeds). Here's the poster artwork: Related articles Elijah Wood interview: 'British comedy is wittier than … [Read more...] about Dirk Gently’s Holistic Detective Agency