| Name | Character | Episodes |
|---|---|---|
| Juliet Aubrey | Yvonne | 1 |
| Tanya Reynolds | Gwynn | 1 |
| Damien Molony | Lenny | 1 |
| Sophia La Porta | Caitlin | 1 |
| Aimee Lou Wood | Jane | 1 |
| Iwan Rheon | Rob | 1 |
| Wunmi Mosaku | Tessa | 1 |
| Richard Harrington | DI Nolan | 1 |
| Ellora Torchia | Maia | 1 |
| Alexandra Roach | Becca | 1 |
| Paul Copley | Ray | 1 |
| Chanel Cresswell | Ashley | 1 |
| Rudi Dharmalingam | Rev | 1 |
| Craig Parkinson | Mark | 1 |
| Martin McCann | Keon | 1 |
| Clare-Hope Ashitey | Bella | 1 |
| Catherine Steadman | Alex | 1 |
| Eileen Davies | Dora | 1 |
| Cyril Nri | Patrick | 1 |
| Andi Osho | Bisi | 1 |
| Anthony Welsh | Gabe | 1 |
| Richard Elfyn | Lawrence | 1 |
| Lorraine Burroughs | Frankie | 1 |
| Colin Hoult | Cliff Goode | 1 |
| Alan Emrys | Tom | 1 |
| Anna Maria Everett | Pearl | 1 |
| Kiell Smith-Bynoe | Yaz | 1 |
| Jude Akuwudike | Dad | 1 |
| Rosie Cavaliero | Carol | 1 |
| Luna Mwezi | Faith | 1 |
| Jamie Bacon | Edward | 1 |
| Shobna Gulati | Andi | 1 |
| Nikhil Parmar | Nish | 1 |
| McKell David | Shakes | 1 |
| George Newton | Kem's Dad | 1 |
| Jack Rowan | Kems | 1 |
| Sara Gregory | Hayley | 1 |
| Ursula Holliday | Crystal | 1 |
| Daniel Francis-Swaby | Hot Barman | 1 |
| Steve Speirs | Steve | 1 |
| Seán Carlsen | Advocate | 1 |