Dakota Johnson is completely unrecognizable as one of the most prominent pop culture icons of the 20th century. First look at Dakota as Marilyn Monroe in new short film ‘Flesh Impact’ premiering at Venice Film Festival this September ? Meanwhile, the Academy Award winner Ellen Burstyn plays an older version of Marilyn Monroe. What else do we know about Dakota Johnson & Maggie Gyllenhaal’s Marilyn Monroe movie? The short film includes the stories of two personalities of Marilyn Monroe (the younger and older).