As Dave drives towards Tobie's at the end of the film it's beginning to get light. When he arrives, it's pitch black again.
When Dave and Tobie are walking on the seashore Dave is seen on the right of her in a long shot but when the angle is changed to medium he is on the left and back on her right when the angle is changed again.
The VU (audio) meters on the KRML control board are motionless during music and voice input, indicating that the station is either off the air during filming or that the actual audio source is elsewhere.
When Dave pours the distraught Evelyn into a cab outside the Windjammer restaurant his car is the only one parked on the street, despite the fact that the place is packed with customers.
The music heard during the "Jazz Fest" sequence rarely matches the video.
During the walkabout scenes at the Jazz Festival, there is a close-up shot of a baby. The camera's shadow is clearly visible on the baby.
After his first date with Evelyn a shot of a sunrise over the ocean is shown. In California the sun sets over the ocean but does not rise over it.
When Evelyn creates a disturbance at Dave's business meeting with an executive from a San Francisco station, there is a close-up of the box containing the audition tape he originally sent to the station she runs. The return address reads Dave Garver, Radio K.M.R.L. (not K.R.M.L).