BBC America has filled its cast for the upcoming eight-episode "Dirk Gently" TV series, based on the "Dirk Gently’s Holistic Detective Agency" novels by "Hitchhiker’s Guide To The Galaxy" author Douglas Adams, and subsequent comics published by IDW Entertainment.

According to Deadline, joining Samuel Barnett, Hannah Marks and Elijah Wood for the comedic thriller are Neil Brown Jr. ("Straight Outta Compton") as Estevez, Richard Schiff ("The West Wing") as Zimmerfield, Jade Eshete ("Shades of Blue") as Farah Black, Mpho Koaho as Ken, Fiona Dourif ("When We Rise") as Bart Curlish, Michael Eklund ("The Call II") as Martin, Miguel Sandoval as Colonel Scott Riggins, Dustin Milligan ("Schitt’s Creek") as Sergeant Hugo Friedkin and Aaron Douglas ("Battlestar Galactica") as Gordon Rimmer.

"Dirk Gently's Holistic Detective Agency" is a comedic thriller that follows the bizarre adventures of eccentric detective Dirk Gently and his reluctant assistant Todd as they work their way through one big, seemingly insane, mystery.

Max Landis ("Chronicle") is writing and executive producing the "Dirk Gently" adaptation for BBC America. AMC Studios, Ideate Media and IDW Entertainment are co-producing the series, with Circle of Confusion ("The Walking Dead"). Also executive producing are Ideate’s Arvind Ethan David and Zainir Aminullah, IDW’s Ted Adams and David Ozer, and Circle of Confusion's and David Alpert and Rick Jacobs.