Katherine McNamara began her professional acting career at the age of thirteen when she appeared in the Broadway version of the play ‘A Little Night Music.’ She played Fredrika Armfeldt in this drama, in which she co-starred with Angela Lansbury and Catherine Zeta-Jones, and she received critical acclaim. Following that, she continued her career on Broadway, participating in productions such as ‘A Christmas Story, the Musical, ‘The Crucible’, “To Kill a Mockingbird,” “Galileo,” “Annie,” “The Secret Garden,” and “Inherit the Wind.” She was also a member of the cast of “Annie.” The actress appeared in a small number of short films between 2007 and 2010.

Over the course of that period, she also appeared as a guest star in a number of television shows, including “30 Rock” and NBC’s “Law & Order: Special Victims Unit.” McNamara made her feature film debut in the 2011 theatrical film ‘New Year’s Eve,’ in which she played the role of Lily Bowman, which was released in theatres nationwide.
In the 2012-13 season, the American beauty appeared in the Disney XD television series ‘Kickin’ It. While working on two indie films, “Contest” and “Tom Sawyer and Huckleberry Finn,” she also appeared in two episodes of the Disney Channel’s “Jessie” in 2013.

The following year, McNamara was cast in the starring role of Harper Munroe in MTV’s ‘Happyland,’ in which she played the title character. In the same year, she also participated in the television series named “A Wife’s Nightmare.” 2015 saw her appear in three films, namely “A Sort of Homecoming,” “Natural Selection,” and “Maze Runner,” as well as the television series “R.L. Stine’s Monsterville: Cabinet of Souls” and “The Fosters.” She also appeared in the film “A Sort of Homecoming” and the television series “Natural Selection.” Following that, she was given parts in the films ‘Is That a Gun in Your Pocket?’ and ‘Little Savages’ in 2016. She accepted both roles. Her first television appearance was in an episode of the television series ‘The Grinder’ in the same year that she starred in the role of Lizzy in the television movie ‘Indiscretion.’

Kate Mcnamara starred as Myra Santelli in the Disney Channel original film ‘Girl vs. Monster’ in 2012, and she is a former Miss America. Later, she performed as a voice actress in six episodes of the television series ‘Transformers: Rescue Bots’, which aired two years later. Also played the role of Priscilla Pynch in the series, and she provided the voice for her. Since 2016, the American actress has also been seen in the role of Clary Fray, the main character in the television series ‘Shadowhunters.’

Because of her role as Shadowhunters in the television series “Shadowhunters,” Katherine McNamara was nominated for the 2016 ‘Teen Choice Award,’ which was given in the category of “Choice TV: Breakout Star.” She also serves on the Young Performers Committees of SAG-AFTRA and Actors Equity, as well as the Young Performers Committee of the American Film Institute. Besides that, she is a member of the New Play Development Reading Committee at Blank Theater,

Katherine McNamara was in a relationship with fellow actor Joel Courtney in the year 2012. She is now single and living in the Los Angeles area. As an advocate for groups such as “The Lollipop Theater Network,” “Girl Up,” and “Stomp Out Bullying,” the American beauty also serves as a volunteer at a children’s hospital in Los Angeles. There is no additional significant information about McNamara’s personal life that is accessible to the media other than this.