According to Paul Hogan, when he was interviewed about the film. Hogan had been offered the lead role of Sam Wheat in another supernatural film "Ghost", which Patrick Swayze was cast and stated that he had read the script and it was not funny and Hogan also stated that he had wanted Patrick Swayze to play Steve Garner in this film, but passed and the part went to Elias Koteas.
(at around 1 min) The priest is shown Terry's arrest record by a police officer. The record is for an arrest on January 12, 1986, and shows his date of birth as October 25, 1952, and his age as 37. Terry would have been 33 on that date in 1986, not 37.