The Diamond Arm
Бриллиантовая рука (original)
In the southern town, a gang of "currency traders" is operating, led by the Chief and his assistant Kozodoyev. A modest Soviet clerk and an exemplary family man Semyon Semyonovich Gorbunkov goes on a foreign cruise on a motor ship, on which Kozodoyev also sailed, who must pick up diamonds in one of the eastern cities and transport them in a plaster hand. But due to a misunderstanding, instead of a swindler, an unsuspecting Gorbunkov falls in the appointed place, and a precious plaster is imposed on him. That's where it all starts...
Starring Yuriy Nikulin, Nina Grebeshkova, Nonna Mordyukova, Svetlana Svetlichnaya, Anatoli Papanov, Andrey Mironov, Stanislav Chekan, Vladimir Gulyaev, Yevgeniya Melnikova, Andrey Fayt
Watch "The Diamond Arm" from streaming services Amazon Prime, Amazon released in 1968. It's a crime and comedy movie, and has a rating of 8.3 out of 10 from Imdb which is very high for this kind of movie.