The Hitchhiker's Guide to the Galaxy and Canada, and 29 July in South Africa. (A full list of release dates is available at the IMDb.) The movie stars Martin Freeman as Arthur, Mos Def as Ford, Sam Rockwell as President of the Galaxy Zaphod Beeblebrox and Zooey Deschanel as Trillian, with Alan Rickman providing the voice of Marvin the Paranoid Android (and Warwick Davis acting in Marvin's costume), and Stephen Fry as the voice of the Guide/Narrator. The plot of the film adaptation of "Hitchhiker's Guide" differs widely from that of the radio show, book and television series. The romantic triangle between Arthur, Zaphod, and Trillian
The Hitchhiker's Guide to the Galaxy Tertiary to Hexagonal Phases else entirely. The Hitchhiker's Guide to the Galaxy: Tertiary Phase, based on "Life, the Universe and Everything", ran on BBC Radio 4 from Tuesday 21 September to 26 October 2004, with repeats on the following Thursdays. Episodes were subtitled "Fit the Thirteenth" through "Fit the Eighteenth". The third novel was adapted by Dirk Maggs, John Langdon and Bruce Hyman following instructions left by Adams. Most of the original radio series cast returned, with the exception of three, due to their deaths: Richard Vernon (died 1997) as Slartibartfast, replaced by Richard Griffiths; Peter Jones (died 2000), replaced by his friend William