"The Big Sleep" (1946) staring Lauren Bacall and Humphrey Bogart. Shown here is a Packard goes off the dock into the drink; killing the chauffeur. It is suggested that the Packard is a 1936 Model 1400 sedan, which would have been based on the five-passenger sedan, but it's awfully hard to tell much about the car because it gets so little on-screen time....Does anyone have more information?