Visible crew/equipment: In the scene where Scott and Fran are dancing on the roof and the camera is about to pan downwards towards the lower level, to the left of the clothes-line, someone's head is visible moving. It is a crew member sitting against the other side of the wall.
Continuity mistake: In the scene where Scott and Fran dance to the clapping of the crowd, the judge disappears and reappears between shots.
Visible crew/equipment: In the scene where Scott is doing his improvised dance moves in front of the mirror, in the last shot before Scott notices Fran watching, the reflection of the camera and the cameraman's arm can be seen reflected moving in on the mirror just before it cuts away.