Young changed her name to Bellamy Young to join the Screen Actors Guild because there was already another Amy Young registered.
She joined Asheville School, where she completed her graduation. After her graduation, she attended Yale University, majoring initially in Physics but ultimately studied English and Theatre. Initially, she also appeared in numerous Broadway shows like The Life, Merrily We Roll Along, and Faust.
Young made her television debut in an American television soap opera, Another World, which was created by Irna Phillips and William J. Bell. After some years, she appeared in an American crime drama movie, Black, and White, directed by James Toback. The co-stars of this movie are Robert Downey Jr., Jared Leto, and Claudia Schiffer.
Recently, Young appeared in an American science fantasy adventure movie, A Wrinkle in Time, directed by Ava DuVernay. The co-stars of this movie are Oprah Winfrey, Reese Witherspoon, Mindy Kaling, and Chris Pine. The total budget for this movie was $100 million and has grossed $72.8 million at the box office.
Similarly, Young has appeared in numerous other movies and television series like We Were Soldiers, Vision of a Murder, Mission: Impossible III, One, Two, Many, Joint Body, The Night Stalker, The Drew Carey Show, For the People, Private Practice, Knight Rider, Law & Order: LA, and False Profits.
Young is an American by nationality and belongs to white ethnicity. Currently, she is in a romantic relationship with a British actor, Ed Weeks. The couple seems happy in their relationship and may soon get married after dating sometimes. She has not married to her husband so, there are no rumors about their divorce and children. Previously she had an affair with her boyfriend, Joshua Leonard.
Most of Young's income comes from her acting career and endorsement. She has appeared in numerous movies and television series from which she must have received a decent amount of salary. According to some online sources, her net worth in 2018 is estimated to be $4 million.