[1] He came first in the Raidió Teilifís Éireann (RTÉ) reality show Celebrity Jigs 'n' Reels in 2007, all in aid of his chosen charity Debra Ireland.

[2] Gavin has worked alongside Oscar nominee Stephen Rea in the TG4 documentary Flight of the Earls.

[citation needed] On 6 September 2008 representing Ireland, Gavin, in couple with Dearbhla Lennon, took part in Eurovision Dance Contest 2008.

Gavin filmed Series 4 of Wwoofáil Oz, where himself and Mairead travelled to six organic farms on the Gold Coast of Queensland, Australia.

Gavin filmed in Houston, Texas on Top Chef season 19 as Sequester APOC.

In 2022 he worked on the Netflix TV show The Big Nailed It Baking Challenge then later landed the lead role as "Finn" in the horror/thiller movie Holistay filmed in San Diego and Las Vegas.