In the series 'The Big C,' Laura Linney plays the lead role of Cathy Jamison, a high school teacher who receives a terminal cancer diagnosis. The show explores Cathy's journey as she navigates her diagnosis and the impact it has on her relationships and outlook on life. Laura Linney delivers a powerful and nuanced performance, capturing the range of emotions that Cathy experiences throughout her battle with cancer. 'The Big C' is a heartfelt and thought-provoking series that tackles the difficult subject of terminal illness with sensitivity and humor. Through her portrayal of Cathy, Laura Linney brings a depth and authenticity to the character, making her relatable and inspiring. The show is a testament to Linney's talent as an actress and her ability to bring complex characters to life.