Dania Ramirez Harold Baez EXCLUSIVE: Actress Dania Ramirez (X-Men: The Last Stand, Once Upon a Time) has signed with Buchwald for representation. Ramirez most recently starred as Nikki Batista on the Fox crime drama series Alert: Missing Persons Unit, working opposite Scott Caan. The series is set at the Philadelphia Police Department's Missing Persons Unit. Each episode features a search for a missing person headed by detectives Jason Grant (Caan) and Nikki Batista (Ramirez). Together with the MPU team, their job is to find the missing or abducted and reunite them with their loved ones.