When Johnny Ramirez shortly after losing the case leaves his home and starts hitchhiking, you see a montage of calendar months indicating the passage of time. But the dates of the month do not correspond with the year 1934, which was the year of the trial as indicated by the court papers filed. Also, the sequence of calendar dates shown in the montage is out of order. They begin with August of 1936 and end with July 1936 as opposed to July 1937.
When Dale and Brook leave the Olvera Street cafe, the camera follows them down the street. Several objects and people pass between them and the camera, and the shadow of the camera falls across several of these. At one point, the shadow of a technician wearing a cap (presumably the camera operator) is plainly visible against a flat surface.
When Johnny shows Marie to her car, the shadow of the camera is visible on the car door.
Camera shadow on Johnny and Dale when they are dancing at the opening of Johnny's casino.