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 stage production from 1979, Chris Langham took the part. In the film he is played by Martin Freeman. In The Illustrated Hitchhiker's Guide to the Galaxy, he is portrayed by Jonathan Lermit.
Read more or edit on Wikipedia