Geoffrey "Geoff" McGivern is an English actor in film, radio, stage and television. He played Ford Prefect (and various other characters) in the radio series and subsequent LP releases of The Hitchhiker's Guide to the Galaxy by Douglas Adams, who McGivern knew from university. Along with Simon Jones as Arthur Dent, he is the only other person to play his character in every single episode of all six phases of the radio series.
He has appeared in many TV shows over the years, especially comedy shows, including A Bit of Fry and Laurie, Jonathan Creek, Smith & Jones, Lab Rats, The Armstrong and Miller Show, This Is Jinsy, Toast of London, EastEnders, and Back.
For the 1998 radio, SciFi drama Paradise Lost in Cyberspace McGivern teamed up with old Hitchhiker's colleague Stephen Moore and Lorelei King (member of the cast in the 2005 Hitchhiker's radio show sequel).