Marianly graduated from the 2 year Stella Adler conservatory program in New York. Straight out of school, Marianly booked a recurring guest star role in
The Purge (2018), followed by
Orange Is the New Black (2013), before landing her breakout role in the Peacock series,
One Of Us Is Lying (2021), based on the best selling book by Karen M. McManus. Raised in the Dominican Republic, Marianly got her start in modeling where she was crowed "Miss Dominican Republic" before going on to compete in Miss World.