Characters played by Fionn Whitehead
Stefan Butler
Characters played by Craig Parkinson
Peter Butler
Characters played by Alice Lowe
Dr. Haynes
Characters played by Asim Chaudhry
Mohan Thakur
Characters played by Will Poulter
Colin Ritman
Characters played by Tallulah Haddon
Kitty
Characters played by Catriona Knox
Leslie
Characters played by Paul Michael Bradley
Robin
Characters played by Jonathan Aris
Crispin
Characters played by A.J. Houghton
Young Stefan
Characters played by Fleur Keith
Mum
Characters played by Laura Evelyn
Pearl Ritman
Characters played by Alan Asaad
Satpal
Characters played by Suzanne Burden
Judith Mulligan
Characters played by Jeff Minter
Jerome F. Davies
Characters played by Marie Hamm
Girl on bus
Characters played by Henny Hardy
Receptionist
Characters played by Jon-Jo Inkpen
Pax
Characters played by Abdul Hakim Joy
Tucker worker
Characters played by Jackson Kai
Programmer
Characters played by Tom McCall
Paramedic
Characters played by Ellie Piercy
Receptionist
Characters played by Stephen Rashbrook
Narrator
Characters played by Rochenda Sandall
Pippa 1st AD
Characters played by Sandra Teles
Reporter