Although the film was released in mid-1946, it was actually filmed mostly in the fall of 1944 (about six months before Bacall and Bogart were married).The unnerved Letty imagined in her mind, via an inserted cutaway, an image of a white stallion (the "ghost horse") galloping up into the clouds - a frequent subjective vision in the film.Mayor: Intent? How did you establish that?Callahan: When a naked man is chasing a woman through an alley with a butcher knife and a hard-on, I figure he isn""t out collecting for he Red Cross.Rennie and Sean ducked into a Times Diner, where they screamed to the waitress (Peggy Hedden, the director""s wife): "There is a maniac trying to kill us.