When Irina is in the back of the limousine, she looks out the right side of the vehicle and a scaffold/crane can be seen that says "Los Angeles Export Terminal" in English. The scene was taking place in Panama (country).
Will is woken by a dream and is seen laying in bed next to Francie. He walks out of the room, sees Vaughn and asks him where everybody went. Vaughn says "Sydney is at work and Francie left about 20 minutes ago".
When Michael is teaching Sydney how to play hockey at the rink, the top edge of the vertical Canadian flag hanging behind them alternates between being to the right and to the left.
The Olympic flag seen in the hockey rink scene is hanging the wrong way round; the blue ring should be on the left.
Opening elevator scene shows actors still standing while elevator is free falling 46 stories. In reality they would be pinned to the ceiling of elevator. Note: This is not correct. The elevator was only almost in freefall. (Sparks mean drag.) In freefall, the occupants would feel weightless. In this case they would only be nearly weightless and remain on the elevator floor.