When Damiel meets Peter Falk at the hot dog stand, the time of day shifts during the scene. Damiel is seen on a dull and gray day; Falk is seen in sharp artificial light with a dark window behind him, typical for a night shot.
When Damiel meets Peter Falk at the hot dog stand, the amount of coffee in Falk's cup increases between shots.
The position of the trapeze artist's arms changes after Damiel stands in her trailer.
The position of the boys' jump-ball changes as Damiel passes by.
When Cassiel (Otto Sander) is crossing the street, a bus slows down to allow him to cross the road, then accelerates once he's clear. As Cassiel is an invisible angel, the bus driver shouldn't have been able to see him.
After Damiel becomes human, he buys a cup of coffee at a food stand. The proprietor pours coffee into a plastic cup, and Damiel immediately takes a large gulp - neither of which would be possible if the coffee were hot, as it would be if it were freshly poured.
When Damiel rides the subway, the train passes a station without stopping. There are fresh posters on the station wall, so this is not one of the "ghost stations" where trains did not stop in the 1980s.
When Marion enters her caravan and undresses, the "sun" is shining on her body from east and west at the same time.
In one of the earlier shots when the camera flies around the Berlin sky, the shadow of the helicopter can be seen in the clouds below.
In one of the opening shots where the camera circles a tower, more like a radio transmitting one, the spinning helicopter blades can be seen at the top of the frame
During a montage sequence involving fast-forward and blurry movements, one shot shows a man passed out by the phone booth. The camera's shadow becomes visible on the left side of the booth.
When Cassiel sees Damiel's footprints in the sand just after he becomes 'real', the prints shown are too far apart, and the foot angle too extreme to be anything like the normal walking gait they had up to that point.