Pretend that you are a director and you will make a movie for 250 million people. And they will see it! You can get an actor you can wish. So it was the Soviet Union film industry with very kind manner: no pornography, no violence. Every phrase is significant.
1. Джентельмены удачи (Gentlemen of the Luck) http://www.imdb.com/title/tt0068519/
Story about thieves and look-alike.
2. Иван Васильевич меняет профессию (Ivan Vasilievich is changing the profession) http://www.imdb.com/title/tt0070233/
Story about time journey in the past.
3. Операция "Ы" и другие приключения Шурика (Operation "Y" and Other Shurik's Adventures) http://www.imdb.com/title/tt0059550/
Actually the movie consists of some independent stories.
4. Бриллиантовая рука (The Diamond Arm) http://www.imdb.com/title/tt0062759/
Story about agent 007, his wife and mistress
5. Кавказская пленница, или новые приключения Шурика (Kavkaz's prisoner or New Shurik's Adventures) http://www.imdb.com/title/tt0060584/
Story about love on the south of the SU.
All movies are very good, choose anyone, but it is better to see with real Russian audio track and subtitles.