Joan is the sister of Carol Kuykendall.
In 1986, Joan won the Soap Opera Digest Award in the category of Outstanding Actress in a Leading Role on a Prime Time Serial for her role on the television series Knots Landing.
Upon her birth, Joan's father was certain she would be famous.
Joan is naturally blond.
Joan is of Caucasian descent.
In Dutch, Joan's name is literally "Joan of Ark".
Joan is a personal friend of Jane Kaczmarek and Asaad Kelada.
In 1971 Joan did a commercial for Betty Crocker.
Joan enjoys running marathons.
Joan: (on why its time for another Knots Landing reunion show) They want to see if we're in wheelchairs and walkers yet.