Luc is a fundraiser for a dung beetle preservation charity and the son of a famous rock star. He has a history of bad press, leading to a public image that threatens his current employment. He lives in a messy apartment in London and relies on a close-knit group of friends for support.

Oliver is a criminal defense barrister who maintains an impeccably clean home and a strict ethical vegetarian diet. He agrees to act as Luc's fake boyfriend in exchange for a companion to bring to his parents' anniversary party. He values order, routine, and a tidy appearance, which contrasts sharply with Luc's chaotic lifestyle.

Jon is a famous rock star from the 1980s currently making a career comeback through a reality television show. He abandoned his family when Luc was three years old. He reaches out to Luc, citing a recent health scare as his motivation to reconnect and build a relationship.

Miriam and David are Oliver's wealthy parents who uphold highly traditional standards of success. They frequently direct their conversations at the room rather than speaking to individuals directly. They regularly criticize Oliver's career choices and personal life while maintaining an image of high social standing.

Odile is Luc's mother and a former singer-songwriter from France. She lives an eccentric lifestyle and shares a home with her best friend, Judy. She offers Luc unconditional emotional support and encourages him to prioritize his own happiness above all else.

Bridget is one of Luc's closest friends and the person who initially suggests Oliver for the fake boyfriend scheme. She frequently experiences work crises but remains fiercely dedicated to Luc's well-being.

Alex is Luc's well-meaning coworker at the dung beetle charity. He frequently misses social cues but genuinely wants to help Luc, even offering himself as a fake boyfriend candidate despite having a long-term girlfriend.

Dr. Fairclough is the lead scientist, organizer, and supervisor at the dung beetle charity. She places Luc on strict notice to fix his public image or face termination before the upcoming Beetle Drive fundraiser.

Miffy is Alex's girlfriend and the daughter of an earl. She previously attracted heavy media attention due to a kidnapping incident, making her socially insulated by wealth and status.

Priya is a lesbian artist and part of Luc's core friend group. She offers practical support, such as bringing her truck for transportation, alongside blunt observations about Luc's habits.

Tom is Luc's "friend-in-law" who briefly dated Luc before entering a long-term relationship with Bridget. He remains a steady presence in their social circle.

James is one of Luc's close friends and part of his reliable support system. He is married to another man who shares the exact same name.

Judy is Odile's best friend and housemate. She frequently shares elaborate stories from her past, including a tale about a Russian spy from the 1950s.

Christopher is Oliver's brother and a doctor working in disaster relief. He receives the bulk of his parents' praise but finds their expectations suffocating.

Mia is Christopher's wife. She feels alienated by her in-laws, who constantly pressure her to have children despite her clear desire not to do so.

Cam is a journalist who recognizes Luc at a bar. Their brief encounter turns hostile when Luc discovers Cam's profession, resulting in an embarrassing tabloid incident.

Miles is Luc's ex-boyfriend from a five-year relationship. He sold the story of their romance to a gossip magazine for a large sum of money, permanently damaging Luc's trust.

Rhys is a coworker of Luc's at the dung beetle charity. He helps connect Luc with a chef for a donor lunch and challenges Luc's workplace preconceptions.

Jennifer is a friend of Oliver's who invites him and Luc to her birthday celebration, providing the couple a space to practice their public relationship.

Bronwyn is a chef and friend of Rhys who runs a vegan restaurant where Luc attempts to woo potential donors back to his charity.

Sophie is a corporate lawyer who challenges Luc about his charity work during dinner, eventually becoming interested in the Beetle Drive event.