The phrase "language film" refers to a movie that is primarily spoken in a language other than the viewer's native or most commonly understood language. Full definition
An openly trans actress presented for the first time, and her movie, A Fantastic Woman, won best foreign language film. (rollingstone.com)
At least in his English language films he is so devoid of personality and charisma that he stops the picture dead in it's tracks whenever he is on screen. (rottentomatoes.com)
A critic who doesn't mention a single foreign language film in his year end round - up is a failed critic. (incontention.com)