Robert Sheehan
Jack
Lily Cole
Emma
Joely Richardson
Psychiatrist
David O'Hara
DCI Keane
Tamzin Merchant
Emma
Andrew Tiernan
Father
Alex Wyndham
Martin
Deirdre O'Kane
Mum
J
Jack Fox
Mark
R
Rhys Connah
Young Jack
O
Oliver Heald
Ben
L
Leo Woodruff
Jumping Man (Uncredited)
Ali Cook
Geoff
Gerard Fletcher
Desk Sergeant
J
Julian Gorman
Hi Viz Dave
Joan Kempson
Pam
Imogen King
Young Emma
E
Eric McNichol
Landlord
J
Josh Moran
Jack's Landlord
A
Alfie Pettit-Page
Billy
Hugh Simon
Vicar
A
Amy Cameron
Aimee
S
Striker John
Reporter (Uncredited)
A
Adam Weldrick
Police Officer (Uncredited)
S
Simon Whyman
Boy racer (Uncredited)
J
Jerry Mark Willey
Policeman (Uncredited)
B
Brian Woodward
PC (Uncredited)