Overview
Arthur Philip Dent is a fictional character and the hapless protagonist of the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams.
In the radio, LP and television versions of the story, Arthur is played by Simon Jones (not to be confused with Peter Jones, the voice of the guide). In Ken Campbell's 1979 stage production, Chris Langham took the part. In the 2005 film adaptation, he is played by Martin Freeman. In The Illustrated Hitchhiker's Guide to the Galaxy, he is portrayed by Jonathan Lermit.
Arthur's story
Along with Ford Prefect, Arthur Dent barely escapes from Earth as it is demolished to make way for a hyperspace bypass. Arthur spends the next several years, still wearing his dressing gown, helplessly launched from crisis to crisis while trying to straighten out his lifestyle. He rather enjoys tea, but seems to have trouble obtaining it in the far reaches of the galaxy. In time, he learns how to fly and carves a niche for himself as a sandwich-maker.
In most versions of the series, Arthur and Ford eventually find themselves back on Earth, but two million years in the past, marooned with a third of the Golgafrincham population (consisting of hairdressers, account executives, film makers, security guards, telephone sanitisers, and the like). The Golgafrincham arrival spurs the extinction of the native "cavemen" (although, as Ford Prefect pointed out, they did not live in caves, to which a witty repartee was that they 'might have been getting their caves redecorated'), resulting in the human race's eventual replacement by a shipload of middle managers, telephone sanitisers and hairdressers.
From Wikipedia (CC BY-SA 4.0).