The Pilot, unaired, had different actors play the parts of Rick and Amanda Tucker. The original cast had Art Hindel and Kim Cattrall filling those slots.
The original, unaired pilot starring Kim Cattrall and Art Hindle is available on Amazon Prime and features the same plot as the first aired episode.
The first original pilot, uses music from the 1978 movie "foul play",with Goldie Hawn.