"Look, Donald's not making America great again, he's making America hate again," Ferrera told the crowd.
"My body is a two," Dunham said, referring to how she believed Trump would speak about her.
"And I'm a rapist," Ferrera said, referring to Trump's words about Mexican immigrants.
Ferrera called herself "the proud child of Honduran immigrants," and said that her childhood was difficult.
"Occasionally I needed a free meal to get through the school day," she said, praising the type of social programs backed by Democrats.
Dunham spoke on behalf of women who were harmed by Trump's rhetoric and said that the Republican nominee "takes us back to a time when women were meant to be beautiful and silent."
"Let's say with one voice that we all have worth," Dunham said.
"We're with Hillary," the women said simultaneously during the presentation.