Answer
The answer is “Last of the Red Hot Lovers”. Kellerman made her film debut in this 1972 romantic comedy-drama film directed by Gene Saks and co-starring Alan Arkin. The film follows the story of a middle-aged, married man who attempts to seduce three different women in a series of comical and disastrous encounters. Kellerman plays the role of Elaine Navazio, one of the women Arkin's character pursues.