Adam at Six A.M. (1970)
Adam at 6 A.M. is a 1970 American film directed by Robert Scheerer. The film did not receive much attention when it was released, but was the second starring role for Michael Douglas. The movie was filmed almost entirely on location in the small Midwest town of Excelsior Springs, Missouri, as well as Cameron, Missouri. also filmed in Orrick Missouri.
More at Wikipedia.