Dementia 13 (1963) (repost)

When her husband John has a heart attack while out in a rowboat on the lake, Louise Haloran throws his body overboard and later tells the family that he has left on an urgent business trip.... See full summary »

Director:

 Francis Ford Coppola (as Francis Coppola)

Writers:

 Francis Ford Coppola, Jack Hill (second unit writer)

Stars:

 William Campbell, Luana Anders, Bart Patton - via IMDB

https://archive.org/details/dementia13