Katherine Grace McNamara is an American actress.She was born on November 22, 1995 at Kansas City, Missouri, U.S..She is the daughter of of Ursula and Evan McNamara who served in the U.S. military.She graduated with a Bachelor of Science degree in Business Administration from Drexel University.She started her film career with A Little Night Music .She acts many film like A Sort of Homecoming,Natural Selection,Maze Runner: The Scorch Trials,R.L. Stine's Monsterville: Cabinet of Souls,Little Savages,Is That a Gun in Your Pocket?.