TBF the big shots have been putting their mouths into Iran much earlier than that. The British and USSR even had a plan to invade Iran because they were close to Germany back in the day. Of course German posing itself as the liberator because it wants the oil but Britain was blocking it from do so.
The British and Soviet Union did invade and occupy Iran during the war. It was focused on controlling the railroads, but it led to the then Shah to abdicate.
https://en.wikipedia.org/wiki/Iranian_famine_of_1942%E2%80%9...
* 4 million Iranians died as a result. Not a single mention of them on media, movies, etc.