During the steeplechase, when Count Vronsky and his mount fail to make the jump, a segment from another race is edited into the film depicting the fall. In the film, Vronsky is wearing his white uniform jacket and dark pants and cap before and after the spill. The clip inserted depicts a jockey wearing white pants and dark silks.
During the drinking game, while under the table, the officer who is in front of Vronsky disappears.
When Anna arrives in Dolly's room, they hold hands, which then changes in the next shot.
The way Vronsky holds his hat changes while talking with Anna in the garden.
The opera shown, Eugene Onegin, premiered in Moscow in 1879. But the Turkish Serbian war, which Vronsky enlists in, lasted from 1876-1877.
Shadows of equipment are visible in the scene where Karenin confronts Anna.