Loni Anderson Cause of Death: How Did the 'WKRP in Cincinnati' Star Die? originally appeared on Parade. Actress Loni Anderson, best known for starring on WKRP in Cincinnati, died on Sunday, August 3, just days before her birthday, according to the Associated Press. Anderson would have turned 80 years old on August 5.

Loni Anderson, recognized for playing Jennifer Marlowe on WKRP in Cincinnati, died on August 3, 2025. While her precise cause of death has not been disclosed, the late actress’ publicist revealed that she died from a health condition.