The Kitchen (1961)

In the business end of a kitchen, a polyglot staff strives to cope with a superhuman task. A microcosm of the world, the kitchen looms around and encloses its workers; they include Peter, the German cook, who is in love with waitress Monica, and constantly asks her to leave her husband. The pressure of the day becomes unendurable, and when Peter realises that Monica does not mean to divorce her husband his grief and pain cause him to run berserk!