Ari Levinson (Chris Evans) says 'no one knows what they speak in Malta', Malta is bilingual with English and Maltese both being official languages. Maltese is a Semitic language most closely related to Maghrebi Arabic but also related to Hebrew, the language which the agents speak.
Malta is currently the only EU state to have an official language of Semitic origin.
Malta is currently the only EU state to have an official language of Semitic origin.
Ben Kingsley, Michiel Huisman, Alessandro Nivola and Alona Tal who play Israeli Mossad agents, all have Jewish ancestry in real life.
The scene with the naked scuba diver is likely a reference to the custom of being naked when completing your 100th dive.
This is the second film in which Ben Kingsley appears as a Jewish man helping other Jews escape from deadly peril; the first one being A Lista de Schindler (1993).
In both films, the famous paraphrased precept from the Torah (Sanhedrin 37a) and the Quran (Surah 5) is spoken:
"Whoever saves one life saves the world entire."
One of at least three 2019 feature films involving the Israeli intelligence agency the Mossad. The movies are 'The Operative' (2019), 'Spider in the Web' (2019) and 'The Red Sea Diving Resort' (2019) (aka 'Operation Brothers').