Sandy Martin is an American actress known for her versatile roles in film and television. She has appeared in various productions, showcasing her talent in both comedic and dramatic performances. Some of her notable works include roles in Napoleon Dynamite and the series It's Always Sunny in Philadelphia. In addition to her acting career, Martin has also worked as a writer and director. Her contributions to the entertainment industry span several decades, and she has built a reputation for her strong character portrayals. Martin continues to be an active presence in Hollywood, engaging in diverse projects.