RTÉ have unveiled the Ultimate Hell Week cast for the show which premieres tonight, and there are some legitimate Irish sporting legends
The show will pit a number of sporting and TV personalities against one another starting for gruelling challenges that will push everyone beyond their physical limits.
Former Irish rugby international Peter Stringer will be joined by Jake Carter on the show, while social media star Rory's Stories will also take part in the show.
Several GAA personalities will also take part in the show alongside TV stars such as Deric Hartigan and Ryan Andrews.
Here is all the information you need on who's who ahead of the show starting on September 8th on RTE.
RTE's Ultimate Hell Week Cast
Ireland and Munster rugby legend.
Current Peamount United forward and Republic of Ireland Women's International. Puskas award finalist.
Former All-Ireland winner with Donegal in 2012.
Former Irish rugby international. Holder of 70 caps for Ireland.
Multiple All-Ireland winner with Kerry.
Former Irish rugby international with Munster and musician with Hermitage Green.
A 1o-time All-Ireland winner with Cork, Valerie Mulcahy is one of the most succesful sportspeople to take part in the show.
She also previously played in the Women's National League for Cork City FC Women's.
A 14-time Irish Women's Rugby International. Currently plies her trade with English side Harlequins.
Melanie Nocher is an Irish swimmer. She competed in the 200 m freestyle and 200 m backstroke at the 2008 Summer Olympics.
She competed at the 2012 Summer Olympics in the women's 100 metre backstroke, finishing in 33rd place in the heats, failing to qualify for the semifinals
Paul Olima is a bodybuilder from Dublin, and is based in London.
A singer/songwriter from Liverpool, Carter is famously brothers with Nathan Carter. He won Dancing With The Stars in 2018.
Laura Nolan is a professional dancer on RTE's Dancing With The Stars, and has is also a ballroom dancer and choreographer.
Ryan Andrews is an actor, and has starred in RTE's Fair City since 2008.
Formerly in TV3's Tallfornia, O'Neill has also been seen on Channel 4's Big Brother in recent times.
Niamh Cullen is a blogger and social media influencer. She has a following of 145k on Instagram.
Deric Hartigan is a weathercaster for Virgin Media.
Meath native Rory O'Connor is a social media star, with huge followings on all social media platforms.
John Sharpson is a TV personality and a Freelance Presenter/Actor for RTÉ, RTÉjr & TG4.