| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Amy Hubbard | Crew | Production | Casting | 7 |
 George Kay | Crew | Writing | Writer, Creator | 7 |
 Tapio Liukkonen | Crew | Sound | Foley Artist | 3 |
Jamie Cairney | Crew | Camera | Director of Photography | 7 |
Jonathan Tyler | Crew | Camera | Steadicam Operator, "B" Camera Operator | 7 |
 Amanda Drew | Cast | Actress | Alex's Solicitor | 1 |
 Annette Badland | Cast | Actress | Donna Swift | 1 |
 David Tennant | Cast | Actor | Dr. Edgar Fallon | 1 |
 Kevin Eldon | Cast | Actor | Michael Walker | 1 |
 Lee Ingleby | Cast | Actor | Tony Myerscough | 7 |
 Lolita Chakrabarti | Cast | Actress | Anita Baines | 1 |
 Nicholas Pinnock | Cast | Actor | Paul Ottager | 3 |
 Sophie Okonedo | Cast | Actress | Julia Bryce | 1 |
 Clare-Hope Ashitey | Cast | Actress | Adele Addo | 1 |
 Hayley Atwell | Cast | Actress | Stacey Doyle | 1 |
 Katherine Kelly | Cast | Actress | Natalie Hobbs | 7 |
 Sharon Horgan | Cast | Actress | Danielle Dunne | 1 |
 Youssef Kerkour | Cast | Actor | Jay Muthassim | 1 |
 Aymen Hamdouchi | Cast | Actor | Jamie Reiss | 2 |
 Isabella Laughland | Cast | Actress | McRae | 1 |
 Kit Harington | Cast | Actor | Alex | 1 |
 Kunal Nayyar | Cast | Actor | Sandeep Singh | 1 |
 Rakhee Thakrar | Cast | Actress | Nasreen Shah | 1 |
 Mark Stanley | Cast | Actor | Hugo Duffy | 4 |
 Shubham Saraf | Cast | Actor | Kyle Petit | 7 |
 Hiten Patel | Cast | Actor | PC Singh | 1 |
 Mark Quartley | Cast | Actor | Jeremy Nicholson | 1 |
 Joakim Skarli | Cast | Actor | Casper Lindstrom | 1 |
 Rochenda Sandall | Cast | Actress | Vanessa Warren | 7 |
 Stephen Samson | Cast | Actor | Janitor | 1 |
 Tiago Martins | Cast | Actor | Max | 1 |
 Jyuddah Jaymes | Cast | Actor | Henry Regis | 1 |
| Person | Type | Job | Role(s) | Episodes |
