Agent in theatre or opera - old B&W movie

I’m looking for the title of an old black and white movie.

The beginning of the movie was about how a group of people (perhaps military officers) talks in a room in England in English. Then they sends someone to Poland ( It is possible that it is a comedy and someone had to pretend to be an agent in the theater or opera). The film is made in United Kingdom probably ( possibly Dutch or French coproduction).

Thank you in advance.

To Be or Not to Be (1942)? https://www.imdb.com/title/tt0035446

Yes, thank you. It wasn't easy to find :-)

1 Answer

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“To be or not to be”?

Thank you very much for your second finding :-)

Thanks my friend. By the way, when I responded I didn't realize that Celebes Warty Pig had responded :)