Paul Mescal as Calum

Frankie Corio as Sophie

Brooklyn Toulson as Michael

Celia Rowlson-Hall as Adult Sophie

Sally Messham as Belinda

Ayşe Parlak as Teen Girl 1

Sophia Lamanova as Teen Girl 2

Spike Fearn as Olly

Harry Perdios as Toby

Frank Corio as Ocean Park Father

Ruby Thompson as Laura

Ethan James Smith as Scott

Onur Ekşioğlu as Onur

Cafer Karahan as Carpet Salesman

Kayleigh Coleman as Jane

John Stuifzand as Resort Entertainer

Tyler Mutlu as Ocean Park Hotel Tour Rep

Kieran Burton as Alex

Nijat Gachayev as Turk Hotel Receptionist

Sarah Makharine as Adult Sophie's Partner

Erol Cengizalp as Man with Camera

Djamel Turner as Raver (uncredited)