After the release of the film, Russell Mulcahy received a surprise phone call from Steven Spielberg who was curious on how he achieved some of the effects in the dream sequence such as the shot of the two moons. Mulcahy promptly hung up, as he initially believed one of his friends was pulling a prank on him. Spielberg called back and managed to convince Mulcahy he was the real deal, as he had become used to younger filmmakers not believing that he'd be interested in their work.
A full-sized, fully animatronic model razorback was built at a cost of $250,000 and is seen for only a few minutes near the end and is never revealed in full view. Effects artist Bob McCarron actually designed a total of six animatronic boars for the film, one of which was designed to ram vehicles.
Beth Winters listens to the Duran Duran song "New Moon on Monday" on her car radio just before being attacked. Director Russell Mulcahy made music videos for the hit new wave band before landing his first motion picture job: Razorback.
According to the Resident Evil: Extinction (2007) audio commentary, Russell Mulcahy said that the producer of this film offered him the chance to direct it after seeing the Duran Duran music video "Hungry Like The Wolf," also directed by Mulcahy.
Director of photography Dean Semler was hired on the strength of his work on The Road Warrior (1981).