Diana Douglas, Michael Douglas's real mother, plays the mother of his character and the wife of Kirk Douglas even though she had been divorced from Kirk for over 50 years. Kirk's second wife Anne Douglas, is not an actress.
Film stars three generations of Douglas family members, Kirk Douglas, Michael Douglas and Cameron Douglas.
When Asher is working on his writing project, he is seen changing the title from "Smack in the Puss" to "Smack in the Kisser" to "Family Jewels"; these were early script titles for this movie.
When the film was released there were complaints that it was difficult to understand what Kirk Douglas was saying. Some critics suggested he should not have still been making films at that stage.