Asa Butterfield
Otis Milburn (8 eps)
Gillian Anderson
Jean Milburn (8 eps)
Ncuti Gatwa
Eric Effiong (8 eps)
Emma Mackey
Maeve Wiley (8 eps)
Kedar Williams-Stirling
Jackson Marchetti (8 eps)
Connor Swindells
Adam Groff (8 eps)
Tanya Reynolds
Lily Iglehart (8 eps)
Aimee Lou Wood
Aimee Gibbs (8 eps)
Patricia Allison
Ola Nyman (8 eps)
Dua Saleh
Cal Bowman (8 eps)
Mikael Persbrandt
Jakob Nyman (8 eps)
Chinenye Ezeudu
Viv Odusanya (8 eps)
Alistair Petrie
Michael Groff (8 eps)
Jemima Kirke
Hope Haddon (8 eps)
George Robinson
Isaac Goodwin (7 eps)
Mimi Keene
Ruby Matthews (6 eps)
Jim Howick
Colin Hendricks (6 eps)
Samantha Spiro
Maureen Groff (6 eps)
Chaneil Kular
Anwar Bakshi (6 eps)
Indra Ové
Anna (5 eps)
Simone Ashley
Olivia Hanan (5 eps)
Robyn Holdaway
Layla (4 eps)
Doreene Blackstock
Beatrice Effiong (3 eps)
Conor Clarke-McGrath
Courgette Connor (3 eps)
Jason Isaacs
Peter Groff (3 eps)
Suzanne Bertish
Dr. Cutton (3 eps)
Robert Wilfort
Mark (3 eps)
Armin Karima
Malek Amir (2 eps)
Tom Atkinson
Nick (2 eps)
Kieron Moore
Dylan (2 eps)
Jojo Macari
Kyle (2 eps)
Sadie Byron
Young Lily (2 eps)
Lois Chimimba
Journalist (2 eps)
Anna Ruben
Lucy Groff (2 eps)
Sophie Thompson
Lily's Mum (2 eps)
Lino Facioli
Dex Thompson (1 eps)
Sarah Durham
Headmistress (1 eps)
Rosie Dwyer
Dex's Girlfriend (1 eps)
Maud Druine
Student (1 eps)
Maeve Harper
Student (1 eps)
Lisa Palfrey
Cynthia (1 eps)
Joe Wilkinson
Jeffrey (1 eps)
David Layde
Roland Matthews (1 eps)
Natasha Joseph
Doctor (1 eps)
Daniel Ings
Dan (1 eps)
Atilla Akinci
Albert (1 eps)
Miles Jupp
Obstetrician (1 eps)
Laurent C. Lucas
French Irate Driver (1 eps)
George Asprey
Michael Groff's Father (1 eps)
Jerry Iwu
Oba (1 eps)
Tomi Ogunjobi
Aunt Beryl (1 eps)
Rebecca Root
Leanne (1 eps)
Sinna Mogul
The Floor Manager (1 eps)
Hannah Waddingham
Sofia Marchetti (1 eps)
Colin Murtagh
Dog Owner (1 eps)
Rhoda Ofori-Attah
Dr. O'Dem (1 eps)
Amar Chadha-Patel
DJ Dave (1 eps)