An elderly ex-serviceman and widower looks to avenge his best friend's murder by doling out his own form of justice.
Michael Caine
Harry Brown
Emily Mortimer
DI Alice Frampton
Iain Glen
SI Childs
Lee Oakes
Dean Saunders
Liam Cunningham
Sid Rourke
Sean Harris
Stretch
Charlie Creed-Miles
DS Terry Hicock
David Bradley
Leonard Attwell
