Nathan began his acting career when he was six years old, appearing in national commercials. In 2012, he made his television debut on the Disney XD series Kickin' It. He has also guest-starred on the Disney Channel shows Jessie and Liv and Maddie.
In 2016, Nathan played the role of Robbie in the ABC Studios TV series Criminal Minds. The following year, he had a recurring role as Danny in the Disney+ series Diary of a Future President. He has also appeared in the ABC TV show, For The People. In 2020, Nathan played the role of Young Tony in the movie, The Hangover Part III.
Nathan Arenas is a talented young actor who is sure to have a bright future ahead of him.