Mills has had involvement with the International Society for Krishna Consciousness (the "Hare Krishna" movement). On 18 April 2008 Hayley Mills was diagnosed with breast cancer. The Truth About Spring (with her real father John Mills cast as her father and James MacArthur as the love interest) and The Chalk Garden 1964 from the play by Enid Bagnold.
The daughter of Sir John Mills and Mary Hayley Bell and sister of actress Juliet Mills Mills began her acting career as a child and was hailed as a promising newcomer winning the BAFTA Award for Most Promising Newcomer for Tiger Bay (1959) the Academy Juvenile Award for Pollyanna (1960) and Golden Globe Award for New Star of the Year – Actress in 1961. Hayley Mills (born 18 April 1946 London) is an English actress. During her early career Hayley Mills appeared in several films for Walt Disney and is perhaps best known for her dual role as twins Susan and Sharon in the Disney film The Parent Trap (1961).