Andrea Riseborough
Alice (6 eps)
Domhnall Gleeson
Jack (6 eps)
Aimee Lou Wood
Maya (6 eps)
Sunil Patel
Paul (6 eps)
Aisling Bea
Lynn (5 eps)
Millie Ashford
Celia (3 eps)
Rachel Adedeji
Donna (2 eps)
Octavia Wirdman
Baby Celia (2 eps)
Ruby Cain
Young Celia (2 eps)
Benjamin Dilloway
Mark (2 eps)
Thalissa Teixeira
Rachel (2 eps)
Clare Burt
Dr. Pell (2 eps)
Ella Bruccoleri
Louise (1 eps)
Muireann Bird
Franny (1 eps)
Megan Lindsay
Young Alice (1 eps)
Mark Cameron
Randall (1 eps)
Matthew Cottle
Vicar (1 eps)
Sian Goff
Caro (1 eps)
Derek Horsham
Balfey (1 eps)
Bairavi Manoharan
Reya (1 eps)
Jasmine Naziah Jones
Malgiolio (1 eps)
Sam Naz
Reporter (1 eps)
Tommy McDonnell
Danny (1 eps)
Freddy Sawyer
Emil (1 eps)
Emmeline Martin
Toddler Celia (1 eps)
Tessa Parr
Pamela (1 eps)
Carolyn Defrin
Dance Teacher (1 eps)
Zoe Aldrich
Clinic Receptionist (1 eps)
Amanda Lawrence
Dr. Feldshue (1 eps)
Alana Ramsey
Nurse (1 eps)
Tom Chapman
Hospital Visitor (1 eps)
Rachel Barnwell
Visitor (1 eps)
Jon Alagoa
Hospital Porter (1 eps)
Jack Bence
Hospital Porter (1 eps)
Ben Adams
Hospital Porter (1 eps)