The movie is based on historical events, including public speeches and published religious debates, but the private conversations between Bergoglio and Ratzinger are mostly based on conjectures. Writer Anthony McCarten commented: "What you always do is you speculate. Hopefully that speculation is based in facts and the truth, and hopefully it's inspired."
In 1978, we had three popes.
Cardinal Jorge Bergoglio: Yeah, but they weren't at the same time.
Pope Benedict: I was making a little joke.
Cardinal Jorge Bergoglio: A joke?
Pope Benedict: A German joke. It doesn't have to be funny.
When Cardinal Bergoglio quotes the Bible to Pope Benedict he says it is from Isaiah 41 Chapter 10. It should be Chapter 41 Verse 10.
During the end credits, the title characters watch the 2014 FIFA World Cup final.
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