There are times, in both its tenor and its plotlines, when Unknown may be remindful of The Bourne Identity - another case of fuzzy memory, with a European actress as the cash-strapped hipster who becomes an accidental partner in the hero's search for himself.
I am sure that screenwriters Oliver Butcher and Stephen Cornwell, working from a novel by Didier Van Cauwelaert, thought they were making “Hitchcock Does The Bourne Identity,” but I’m not sure that’s what Collet-Serra was making.
The film starts as a Hitchcockian thriller with a mystery at the heart of it, but becomes more and more like " The Bourne Identity " the longer it goes on, what with the European setting, the amnesia and more.
It was the latter film, a less-than-stellar knockoff of The Bourne Identity, which made me sit in the movie theater and ponder how Neeson’s skills have been less than challenged the last few years.
Part The Bourne Identity, part The Fugitive, Unknown is the latest example of this phenomenon, a passable, old-fashioned thriller that simmers with Hitchcockian aspirations and leftover Cold War intrigue.
— The Bourne Identity should get its own category, not only because of the ruthless efficiency of its action sequences but also for the detached competence of its star, Matt Damon, whose deportment while stalking the gray, shadowy streets of West Europe suggested a man on a mission while lost in a dream.