 When the unconscious Jennifer is taken home by the two officers in  2015, it looks as if great pains were taken to conceal the identity  of the one officer (Reese). Her face is kept in the dark and her cap  is even kept to where the bill is hiding her eyes. The actress  portraying Officer Reese was in fact Mary Ellen Trainor (qv) who  was Robert Zemeckis (qv) wife at the time.