Cannon married real estate investor Stanley Fimberg in 1985.
In 2005, she appeared in , a movie about aging Floridians who have just lost their spouses.
It was a story about adolescent sexual curiosity.
In the 1990s, she appeared on the popular television shows and , as well as being a semi-regular on.
Nine days later, Cannon divorced Grant.
She also appeared on , using her name Diane Cannon, in 1961, opposite Tracey Steele, Robert Conrad, and Connie Stevens.
In 1976, she hosted during its first season and she guest starred in the fourth season of in 1979.
Cannon wrote, directed, and starred in the semi-autobiographical film , and had roles in and.