Katie O'Brien is an American actress and writer, best known for her roles in television series such as Teachers and The Mandalorian. She has gained recognition for her versatility in both comedic and dramatic roles. Katie O'Brien's career began in comedy, where she performed in improv and sketch shows. She co-starred in the TV Land series Teachers, which was a comedy centered on the lives of six elementary school teachers. The show was widely praised for its humor and creativity. In recent years, Katie has also appeared in more dramatic and action-oriented roles. Notably, she played a significant part in The Mandalorian, the hit Disney+ series set in the Star Wars universe. Her role in ...