Up in the Cellar is a 1970 American comedy film directed by Theodore J. Flicker and starring Wes Stern, Larry Hagman, Joan Collins, Judy Pace, David Cargo, and Joan Darling.
The plot concerns a man who decides to bed three women.
[1] It was described by AIP as "as near a sequel to Three in the Attic as possible" and was originally known as The Late Boy Wonder.
[2] A suicidal college student is saved by a university president, against his wishes.
To get even, the student decides to seduce women in the president's life, including his wife and mistress.