The Eagle a good movie but like so many not 100% accurate. Go and enjoy the movie and forget about the details

In my limited Gaelic knowledge, they were speaking good Scottish Gaelic. I was able to pick out lots of words. OK the subtitles helped LOL. My only issue was the Picts did not speak Scottish Gaelic. The Gaels were newbies to the island of Britain compared to the Picts. Nobody knows what language the Picts spoke.