| | | | Part 1 |
| | Alix | Summer | A popular podcaster. |
| | Josie | Fair | Alix's birthday twin. |
| | Walter | Fair | Josie's husband. |
| | Zoe | | Alix's sister. |
| | Nathan | Summer | Alix's husband. |
| | Fred | | Josie's dog. |
| | Marie | Le Jeune | The woman who runs a global beauty empire. |
| | Mari | | One of Alix's podcast guests. |
| | Eliza | Summer | Alix's daughter. |
| | Leon | Summer | Alix's daughter. |
| | Roxy | Fair | Josie's daughter. |
| | Erin | Fair | Josie's daughter. |
| | Amy | Jackson | Josie's neighbor. |
| | Helen | Loyd | Josie's school friend. |
| | Jason | Fair | Walter's son. |
| | Pat | O'Neill | Josie's mother. |
| | Giovanni | | Nathan's best friend. |
| | Mandy | | The office manager. |
| | Maxine | | Alix's sister. |
| | Troy | | Josie's former schoolmate. |
| | Harry | | Alix's next door neighbor. |
| | Nathalie | | Giovanni's partner. |
| | Skye | | Alix's cat. |
| | Tim | Hiddingfold-Clarke | Fred's current owner. |
| | Angel | Hiddingfold-Clarke | Tim's wife. |
| | | | Part 2 |
| | Mandy | Redwood | The school administrator at Parkside Primary School. |
| | Ari | | One of the subscribers to gaming platform "Glitch". |
| | Juno | | One of the subscribers to gaming platform "Glitch". |
| | Dan | | One of the subscribers to gaming platform "Glitch". |
| | Brooke | Ripley | Roxy's friend. |
| | Petal | | Zoe's child. |
| | Ffion | Roberts | Brooke's aunt. |
| | Katelyn | Rand | Josie's acquaintance. |
| | | | Part 3 |
| | Billy | | Maxine's son. |
| | Jonny | | Maxine's son. |
| | Astrid | Pagano | The hotel manager. |
| | Joanna | Dafoe | The deputy commissioner of London Police. |
| | Sabrina | Albright | A detective constable. |
| | Chris | Bryant | Sabrina's colleague. |
| | Clare | Small | A holiday makers at Ambleside Manor Park. |
| | Georgie | Small | Clare's daughter. |
| | Shortland | Mews | A news reporter. |
| | Abigail | Kurti | Brooke's mother. |
| | | | Part 4 |
| | Matt | Salter | A news reporter. |
