Love & Mercy (film) stars American actress Elizabeth Banks.
Elizabeth Irene Banks ( née Mitchell ; February 10 , 1974 ) is an American actress , director , and producer . Love & Mercy (film) . Paul Dano and John Cusack star as the young and middle-aged Wilson , respectively , with Elizabeth Banks as Wilson 's second wife Melinda Ledbetter , and Paul Giamatti as Wilson 's psychotherapist Dr. Eugene Landy .