Ragni Malmstén was born on October 2, 1933 in Helsinki, Finland. She was an actress and producer, known for Maailmanparantajat (1963), Sävelsävyjä eli kirjavaa ja kevyttä (1963) and Salon Musique eli vekkulia kosmetiikkaa (1963). She was married to Erkki Karjalainen. She died on May 25, 2002 in Helsinki.