Mandeep Dhillon
Seraphina Harrigan

Jasmine Jobson
Zosia

Teddie Allen
Gina Da Souza

Emmett J. Scanlan
Paul

Johnny Flynn
Frankie Cooper

Ophelia Lovibond
DCI Kavanagh

Janet McTeer
Dr. Katherine 'Kat' McAllister

Toby Jones
Colin Tattersall

Helen Mirren
Maeve Harrigan