Geoffrey Chaucer | Ann Perkins | Perkins and Will | Geoffrey Rush | Carl Perkins | Sue Perkins | Geoffrey of Monmouth | Geoffrey Moull | Geoffrey Hill | John Perkins | Geoffrey Keezer | Geoffrey de Montbray | John Perkins (author) | Geoffrey Wilkinson | Geoffrey Howe | Geoffrey Blainey | Charlotte Perkins Gilman | Tex Perkins | Maxwell Perkins | Kleiner Perkins Caufield & Byers | Geoffrey Robertson | Geoffrey Keating | The Sketch Book of Geoffrey Crayon, Gent. | Perkins+Will | Perkins | Millie Perkins | Mike Perkins | Geoffrey Palmer | Geoffrey Hartman | Geoffrey C. Hazard, Jr. |
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).