His last novel, unfinished when he died in 2001 at 49, was assembled from his computer hard-drive and published as The Salmon of Doubt in 2002. It is this fish that swam into my stream of thought while watching the movie based on his most famous book. I realise that the original was a BBC radio series broadcast in 1978 and that the book came later, but the movie says "based on the book by", so let's not argue. The Earth might end in 10 minutes, as it does at the start of the series.
Adams died of a heart attack while working out in the gym. He had moved from England to Santa Barbara, California, in 1999 and had just completed a second draft of the screenplay, in a development deal with Disney. He had been trying to turn the story into a movie for almost 20 years, which is probably less to do with his legendary difficulty at meeting deadlines than the problems of movie deal-making. He once described this process as like "trying to grill a steak by having a succession of people come into the room and breathe on it". Losing the one person who could really breathe usefully on it may be why the movie is no more than a likeable failure, but I'm not sure even he could have made it work. It's a problem of space and time to some extent, which is at least fitting. What I mean is this: how do you take a thing that was loved for its twisting, meandering rhythms, its failure to really submit to the harsh laws of storytelling, and make it sit up straight and behave for a motion picture?
The radio series ran for several hours, without needing much of a story. It was like sitting in a punt on the river at Cambridge - where Adams was born and educated - listening to a very funny, very silly, very bright undergraduate making jokes about the nature of the universe. The point was not to get anywhere, but to imagine an alternative universe where you could power a spacecraft with an Infinite Improbability Drive to take you to a restaurant at the end of the universe. These were comforting, friendly thoughts, invented to assist contemplation of the void. Adams created a utopian comic universe where you could get a drink called a pangalactic gargleblaster and meet interesting creatures with odd names like Zaphod Beeblebrox and Slartibartfast. True, there were some unpleasant species like the Vogons, but nothing as terrifying as the Daleks from Doctor Who. Most of the originals turn up in the movie and they're fashioned with respect, but we're no longer floating down the river. The script, rewritten after Adams's demise by Karey Kirkpatrick (Chicken Run), now has a destination and purpose, because a movie must. Arthur Dent, played well by Martin Freeman (Tim in The Office), wants to get home again to Earth (even though it no longer exists) and to rescue Trillian (Zooey Deschanel), the girl he loves, from the Vogons. Arthur now has more of a hero's journey, as every character written by the Hollywood manual must, even one as timid and English as "Dent Arthur Dent".
His friend Ford Prefect, who saves him from destruction, is now a black American, played by Brooklyn rapper Mos Def. Zaphod, president of the galaxy, who has two heads, neither of them functioning, is played by Sam Rockwell, another American. Deschanel is American. This means that Arthur is somewhat surrounded by American accents, which would not matter except that Mos Def can't really act and Rockwell thinks his character is the lead. This is typical of Zaphod, of course, who's a monomaniac, but it's more than that. Rockwell's screen time is greater than his performance warrants, which may mean that it is the result of an executive decision, possibly by Disney, to build up the representation from their side of the pond. The director, Garth Jennings, is a British music video whiz kid, but it's his first feature and he may not be used to swimming with the Disney sharks. I suspect he did not have final control of the casting, because his choice of English actors is much more sensible. Stephen Fry is perfect as the narrator, as is Bill Nighy as Slartibartfast, one of the chaps who builds planets. Alan Rickman voices Marvin the paranoid android, while Helen Mirren voices Deep Thought, the supercomputer who works out the answer to the big question. In each of these performances, there is an inherent understanding that less is more, that parodic satire requires a deadpan delivery. That is an English tradition for an English style of comedy. The American tradition is more zany, more knowing - equally valid in the right context, such as a Mel Brooks movie, but different. Trying to marry the two is a dangerous path. Even John Malkovich, as Humma Kavula, a new character created by Adams for the movie, mugs his way through his brief appearance.
''The Hitchhiker's Guide to the Galaxy'' movie based upon the popular book by Douglas Adams has been released.  The movie was written by Douglas Adams and Karey Kirkpatrick, and stars Martin Freeman as Arthur Dent, Zooey Deschanel as Trillian, Mos Def as Ford Prefect and Sam Rockwell as Zaphod Beeblebrox.