[3] Ex on the Beach follows the format of cast members staying abroad and beginning relationships, which are typically interrupted by their exes arriving at various points throughout the series.

On 20 March 2019, it was confirmed that transmission of the tenth series had been cancelled following the suicide of cast member Mike Thalassitis.

The official list of cast members was released on 13 March 2014 and includes four single boys: Ashley Cain, Jack Lomax, Liam Lewis and Marco Alexandre; as well as four single girls: Chloe Goodman, Emily Gillard, Farah Sattaur and Vicky Pattison.

[7] On 7 January 2015, cast member Chloe Goodman entered the Celebrity Big Brother house to compete in the fifteenth series.

It was also announced that Geordie Shore stars Charlotte Crosby and Gary Beadle would be taking part in the series.

Kayleigh also went on to appear in the eighteenth series of Big Brother in 2017,[12] but was removed from the house on Day 13 due to threatening behaviour.

The Only Way Is Essex cast member Kirk Norcross was also confirmed to be taking part in the series, with his ex-fiancée and Celebrity Big Brother star Cami-Li featuring as his ex.

Star of Magaluf Weekender Jordan Davies was also revealed to be taking part in the series, also featuring as an ex.

In August 2017, both Jemma Lucy and Jordan Davies took part in the twentieth series of Celebrity Big Brother.

[19] The official cast list was revealed on 15 December 2015 and includes four girls: Helen Briggs, Nancy-May Turner, Naomi Hedman and Olivia Walsh, as well as four boys: Joe Delaney, Lewis Good, Youssef Hassane and Geordie Shore star Scotty T. Megan McKenna and Magaluf Weekender cast member Jordan Davies would be returning to the series as exes, having previously appeared during the previous series.

New cast members include Lillie Lexie Gregg, Charlotte Dawson, David Hawley, Aimee Kimber, Conor Scurlock and Alex Stewart.

[24] Kayleigh also went on to appear in the eighteenth series of Big Brother in 2017,[12] but was removed from the house on Day 13 due to threatening behaviour.

[25] The official list of cast members included four boys; Alex Leslie, Josh Ritchie, Ross Worsick and Sean Pratt, and four girls; Harriette Harper, Maisie Gillespie, Zahida Allen and ZaraLena Jackson.

With the announcement of the line-up it was also confirmed that Geordie Shore star Aaron Chalmers would be arriving on the beach as an ex as well as former The Only Way Is Essex cast member Nicole Bass.

The cast members for the series were confirmed on 23 May 2017[26] which include Geordie Shore stars Chloe Ferry and Marty McKenna, Love Island contestants Max Morley and Josh Ritchie, as well as Beauty School Cop Outs cast member Savannah Kemplay.

Featuring the first original LGBTQ+ male contestant to receive an ex arrival, George Bebbington and the first lesbian cast member of the civilian series Abbey Myers.

This series also featured Geordie Shore: Hot Single Summer star Chloe Adams and former First Dates waiter Grant Urquhart.

[37] The cast includes rapper Ivorian Doll, Love Island UK stars Finley Tapp and Joe Garratt, The Only Way Is Essex cast member Yazmin Oukhellou, FBOY Island's Jarred Evans, Married At First Sight's Australia Jessika Power, Too Hot To Handle stars Chloe Veitch and James Pendergrass and playboy model Ashley Resch.

Some notable exes included media personality Summer Monteys-Fulham, Love Island stars Charlie Brake, Nabila Badda and Ched Uzor, The X Factor UK contestant Bradley Hunt, fitness model Waz Ashayer and Tinder’s most swiped right man Stefan-Pierre Tomlin.

[41] On 12 December 2017 it was announced that Vicky Pattison would host a spin-off show entitled "Ex on the Beach: Body SOS" where she will attempt to help members of the public to get into shape.