Minnie Driver
as Dr Ingrid Greene
James Nesbitt
as Simon Greene
Alfred Enoch
as DS Isaac Fagbenle
Ingrid Oliver
as Yvonne Previdi
Amy Gledhill
as DS Ruby Todd
Adrian Greensmith
as Sam Greene
Ellie Henry
as Anya Greene
Lucian Msamati
as Cornelius Faber
Annette Badland
as Lou Ravenscroft
Mark Bazeley
as Dr Jay Stanfield
Maeve Courtier-Lilley
as Dee Dee Lahoy
Jon Pointing
as Ashley 'Ash' Davis
Ellie de Lange
as Paige Greene
Ruth Jones
as Elena Ravenscroft
Geraldine James
as Mother Adiona
Tracy-Ann Oberman
as Jessica Kinberg