Premise: Justin Case is a 1988 television film by Blake Edwards. George Carlin stars as a private investigator named Justin Case. Justin is found dead in his office by Jennifer Spalding (Molly Hagan) who is an out of work dancer there for an interview for a secretary/receptionist position. Justin comes back as a ghost that only Jennifer can see, and convinces her to help unravel the mystery of his murder.
Hypothesis: Justin Case was released before 1988.