Dr. Marlena Evans is a fictional character on the NBC soap opera, Days of Our Lives. She has been played by actress Deidre Hall since 1976, with a few minor breaks in between from 1987 to March 1991 and again from January 2009 to September 2011. Marlena was created by scriptwriter Pat Falken Smith and executive producer Betty Corday, as one of Days of our Lives' most well known characters. Hall made her debut on the soap on June 21, 1976, currently making her the second longest running actress on the serial, surpassed only by Suzanne Rogers (Maggie). After a brief two-year absence, Hall once again reprised her role as Marlena on September 26, 2011.