Watch : 'Knots Landing' Star Donna Mills, 85, Shares Why She’s Joining OnlyFansDonna Mills has landed in a new stage of her career at 85 years old. The Knots Landing alum, known for her character Abby Cunningham on the popular '80s soap opera, is connecting with her fandom on a new level by joining OnlyFans. "I’ve always appreciated the incredible support and encouragement I’ve received from my fans over the years," Mills told Variety in a statement published July 30. As for what the CBS star will be sharing on the paid subscription site? Though the pivot to the platform (known for being home to celebrities’ adult-only content) might be new, the actress doesn't plan on changing up the persona her supporters already know and love.