Most famous role: Linda Lee/Supergirl in Supergirl (1984)

Helen Slater made her feature debut in heroic fashion as Supergirl; a year later, DC Comics honored her work on the film by including her in its Fifty Who Made DC Great publication. She cemented her place as a female role model the following year in The Legend of Billie Jean, in which Slater becomes a youth anti-hero, modeling herself after Joan of Arc.