Donna Mills: Donna Mills. Actress: Knots Landing. Blonde, buoyant Donna Mills began acting in local amateur and professional productions in her home town of Chicago. Donna made her Broadway bow as a harem girl in Woody Allen's play "Don't Drink the Water," then played recurring roles on the Manhattan-based TV soap operas The Secret Storm (1954) and Love Is a Many Splendored Thing (1967). Her first film was The Incident (1967), a...