- Simon Lipkin
- Jerry Poppy
- Craig Revel Horwood
- Emmanuel Cavendish
- Daniel Boys
- Mr. Johnson
- Anna Chancellor
- Clara Hargreaves
- Helen George
- Miss Shelly
- Hugh Dennis
- Robert Hargreaves
- Jessica Hynes
- Angel Matthews
- Meera Syal
- Nina
- Vincent Franklin
- Lord Mayor
- Gabriel Vick
- Hugo Alexander
- Ramin Karimloo
- Doru's Dad
- Brian Alan Bartle
- Doru
- Rupert Turnbull
- Barnaby
- Ruth Jones
- Farmer Beatie
- Celia Imrie
- Mrs. Keen
- Jamie Chapman
- Tony
- Dodger
- Dodger the Dog
- Jalisa Andrews
- Miss Bailey
- John Dalziel
- TV Reporter
- Jemma Churchill
- Barnaby's Nanny
- Ray Wain Burnett
- Barnaby's Chauffeur
- Fred Broom
- Bunny Sinclair
- Jennifer Louise Jones
- Oakmoor Mum
- Jon Robyns
- Fireman
- Gary Davis
- Dustbinman
- Katia Sartini
- Market Trader
- Alison Jiear
- Lollipop Lady
- Caroline Sheen
- Opera Singer
- Thalvin Singh Bancil
- St Bernadette's Class
- Evie Bennell-Low
- St Bernadette's Class
- Chaelissa Gray
- St Bernadette's Class
- Kheiri Isaac-Osmani
- St Bernadette's Class
- Alexander Hogg
- St Bernadette's Class
- Harry Martin
- St Bernadette's Class
- Fintan McGrory
- St Bernadette's Class
- Katelyn-Janet Rollason
- St Bernadette's Class
- Jamie Bates
- Oakmoor Class
- Jasmine McKenna
- St Bernadette's Class
- Beatrice Scholefield
- St Bernadette's Class
- Oratile Chele
- Oakmoor Class
- Joshua Millard-Lloyd
- St Bernadette's Class
- Chantelle Tonolete
- St Bernadette's Class
- Layla Grace Gavin
- Oakmoor Class
- Moosa Mostafa
- St Bernadette's Class
- Archie Turner
- St Bernadette's Class
- Grace Green
- Oakmoor Class
- Amy-Louise Mulhall
- St Bernadette's Class
- Nick Vakis
- St Bernadette's Class
- Betsy Jiggins
- Oakmoor Class
- Celie Newman
- St Bernadette's Class
- Ava Williams
- St Bernadette's Class
- Zak Jacob Lackenby
- Oakmoor Class
- Lyla Peters
- St Bernadette's Class
- Zulekha Abdi Alexander
- Oakmoor Class
- Giacomo MacGibbon
- Oakmoor Class
- Angelina Martin
- Oakmoor Class
- Preya Naughton
- Oakmoor Class
- Gerald Ngwenya
- Oakmoor Class
- Layla-Grace Quaid
- Oakmoor Class
- William Redican
- Oakmoor Class
- Alex Weigal
- Oakmoor Class
- Orla Young
- Oakmoor Class
- Colin Coombs
- Lorry Driver
- Trish Adudu
- Reporter
- Darren Parkin
- Reporter
- Joseph Froggatt
- Jerry Poppy, aged 6
- Ryan Cullinan
- Emmanuel Cavendish, aged 10
- Nichola Norcross
- Mother Poppy
- Marta Rubio
- Cavendish's Mum
- Robert Stone
- Cavendish Security
- Takudzwa Bako
- Foster Kid
- Milly Bennell-Low
- Foster Kid
- Isabella Hannah
- Foster Kid
- Frankie Hawley
- Foster Kid
- Harriet Hickson
- Foster Kid
- Ava Smith
- Foster Kid
- Frankie Stewart
- Foster Kid
- Graham Lee
- Homeless Singer
- Tim Moon
- Homeless Singer
- Anthony Webster
- Homeless Singer
- Freeman Dance
- Auditionee
- Vina Ladwa
- Auditionee
- Lai Rafice
- Auditionee
- Nick Sanquest
- Auditionee
- Liam Crowley
- Auditionee
- Shivain Kara-Patel
- Auditionee
- Sneha Singh
- Auditionee
- Georgina Leech
- Auditionee
- Mary Bloxham
- Auditionee
- Margaret Coleman
- Auditionee
- Letitia George
- Auditionee
- Sandra Godley
- Auditionee
- Dave Tooth
- Shropshire Shopkeeper
- Lynette Havenga-Stokes
- Shropshire Shopkeeper
- Kim Moore
- Shropshire Shopkeeper
- Lisa Jones
- Check-in Staff
- Richard Price
- Check-in Staff
- Anna Tonolete
- Chantelle's Family
- Joel Hanopol Tonolete
- Chantelle's Family
- Adele Lloyd
- Joshua's Family
- Steve Lloyd
- Joshua's Family
- Sylvia Millard
- Joshua's Family
- Jazmine Isaac
- Kheiri's Family
- Katie Gavin
- Lyla's Family
- Joe Gavin
- Lyla's Family
- Rashpal Singh Bancil
- Thalvin's Family
- Janice Boyle
- Librarian
- Bob Cockbill
- Father Christmas
- Kieran Gray
- Extra
- Lawrence Grugeon
- Press Officer
- Cerys Harbour
- Dancer
- Gurnita Kaur Kahlon
- Pedestrian
- Arun Kapur
- Security
- Vital Karia
- Asian Villager
- Colin Murtagh
- Police Officer
- Nick Owenford
- Parent
