Dirk Gently's Holistic Detective Agency: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Dirk Gently's Holistic Detective Agency Science-Fiction, Comedy, Mystery – 12/16/17 United States http://www.bbcamerica.com/shows/dirk-gentlys-holistic-detective-agency GeneralEpisodesCastCharactersGallery Cast See full cast → Samuel Barnett as Dirk Gently Jade Eshete as Farah Black Elijah Wood as Todd Brotzman Hannah Marks as Amanda Brotzman Osric Chau as Jacob Vogel Mpho Koaho as Ken Adams Fiona Dourif as Bartine "Bart" Curlish Michael Eklund as Martin Dustin Milligan as Sergeant Hugo Friedkin