He played Ford Prefect in the radio series (1978–80) and subsequent LP releases of The Hitchhiker's Guide to the Galaxy by Douglas Adams, and reprised the role for the three new series broadcast on BBC Radio 4 between 2004 and 2005.
Geoffrey Chaucer | Geoffrey Rush | Geoffrey of Monmouth | Geoffrey Moull | Geoffrey Hill | Geoffrey Keezer | Geoffrey de Montbray | Geoffrey Wilkinson | Geoffrey Howe | Geoffrey Blainey | Geoffrey Robertson | Geoffrey Keating | The Sketch Book of Geoffrey Crayon, Gent. | Geoffrey Palmer | Geoffrey Hartman | Geoffrey C. Hazard, Jr. | Geoffrey Robinson | Geoffrey Owens | Geoffrey Layton | Geoffrey Gurrumul Yunupingu | Geoffrey de Mandeville | Geoffrey de Luterel | Geoffrey Burbidge | Geoffrey | Geoffrey Winthrop Young | Geoffrey Whitehead | Geoffrey Taylour, 4th Marquess of Headfort | Geoffrey Richmond | Geoffrey Palmer (actor) | Geoffrey Munn |
The participants are Douglas Adams, Simon Brett (producer of the very first programme), Simon Jones (Arthur Dent), Geoffrey McGivern (Ford Prefect), Paddy Kingsland (sound effects and audio mixing), Stephen Moore (Marvin), Geoffrey Perkins (producer of the first two radio series, except for the very first programme) and Nick Webb (Pan Books).