Mount is a Man with No Name who calls himself The Virtuoso during lengthy opening narration that details the usual hitman stuff - living off the grid, communication by private mailbox service, etc.
Which leads to the puzzle sequence at the heart of the film: On a cold afternoon our hitman walks into a country diner, finds it more populated than he expected, and must figure out which of the patrons is his prey.
Virtuoso takes the smart move and waits for all of them to leave the venue and then track them down.
When we sat down, I knew the three leads.
But Hopkins, who just won an Oscar for The Father, gives this cut-rate B movie the same first-rate treatment.
But you don't get Sir Anthony to do something like this if it's just the genre of second-tier action pictures or whatever.