In his first-ever film as an actor to premiere at a major festival, “ Reacher ” hero Alan Ritchson says absolutely nothing. Well, almost nothing.

“ Motor City ,” world premiering in Venice on Aug. 30 before hot-footing it over to Toronto, is a bloody and brutal action-thriller with a difference — it’s practically dialogue-free. The number of lines in the movie can, in fact, be counted on the fingers of one hand. That is, assuming those fingers are still attached.

From “Old Henry” director Potsy Ponciroli and set in 1970s Detroit (think impressive lapels and plenty of chest hair), the film sees Ritchson’s stand-up blue-collar guy pulled through the ringer — he loses his fiancé (Shailene Woodley) and freedom after being framed by a corrupt cop (Pablo Schreiber) and local drug lord (B

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