Heinrich Wilhelm "Heinz" Rühmann was a German film actor who appeared in over 100 films between 1926 and 1993. He is one of the most famous and popular German actors of the 20th century, and is considered a German film legend. Rühmann is best known for playing the part of a comic ordinary citizen in film comedies such as Three from the Filling Station and The Punch Bowl. During his later years, he was also a respected character actor in films such as The Captain from Köpenick and It Happened in Broad Daylight. His only English-speaking movie was Ship of Fools in 1964.

The Captain from Köpenick is a 1956 West German comedy film directed by Helmut Käutner and based upon the 1931 play The Captain of Köpenick by Carl Zuckmayer. The play was based on the true story of Wilhelm Voigt, a German impostor who masqueraded as a Prussian military officer in 1906 and became famous as the Captain from Köpenick. It was nominated for the 29th Academy Awards in the category Best Foreign Language Film.