|Guest appearances of Diarmuid Gavin|
|First appearance||12 May 2006|
|Last appearance||17 May 2006|
|Episodes with Diarmuid Gavin|
Diarmuid Gavin is a guest on Countdown. He is a gardener and he also appeared on the same series of Strictly Come Dancing as Carol Vorderman, and outlasted her by two weeks, despite his performances being consistently abysmal.