Eliot has two brothers (Jake and Giacomo), a sister (Mickey), an older half-brother (Joe), and a half-sister (Kate).

[10] After recording and touring with I Blame Coco, they lived alone in a cottage in the Lake District of England and became interested in house music.

[5] Sumner sang a cover version of the Radiohead song "Creep" with Clint Mansell for the soundtrack to the movie Filth (2013).

Sumner's contributions to other musicians' albums include vocals for the song "End of the Road" by Sway and the single "Splash" by Sub Focus.

[1] They played a hiker in the thriller Infinite Storm, appearing before Naomi Watts' character began hiking to the summit of Mt.

[citation needed] In December 2021, Sumner was cast in Showtime's drama series Ripley in a recurring role.

Ripley was initially announced to be broadcast on Showtime, but in February 2023, it was reported that the series would be moving to Netflix.

[14] Sumner plays the role of hitman Kat in the Swedish crime/thriller series Vargasommar ("Cry Wolf").