Katherine LaNasa is an American actress, former ballet dancer, and choreographer known for her work in both television and film. She began her career as a professional ballet dancer, performing with companies such as Ballet West and the Karole Armitage Ballet before transitioning to acting in the early 1990s. LaNasa gained prominence through roles in television series such as Three Sisters, Deception, Imposters, and Truth Be Told, and has appeared in films including Jayne Mansfield’s Car and The Campaign. Her career reflects a range of dramatic and comedic roles across network and streaming platforms.