Justina Machano

In a press release sent out earlier today, ABC announced that legendary actress Rita Moreno will guest star in the Ugly Betty season finale as Aunt Mirta, a Suarez family member.

Moreno, who won countless of awards along the years including an Oscar, has starred in numerous TV series and movies. Recently, she was seen as Frances Goran in two episodes of Law & Order: Criminal Intent and on George Lopez as Luisa Diaz.

Joining Moreno in the Ugly Betty finale are Six Feet Under's Justina Machado, as Cousin Clara, and Vanished's Rebecca Gayheart, set to play someone from Alex(is)'s past.