The former child actress died on Monday, August 11, after a long battle with cancer. Her publicist told The New York Times that the cause of Spencer’s death was gastric cancer and cardiac arrest. Danielle’s castmate from the popular ‘70s sitcom, Haywood Nelson, also announced the news of her demise on Instagram. He wrote:

She starred on the 1970s sitcom as Dee, the younger sister offering a steady stream of deadpan roasts of her big brother Roger “Raj” Thomas and his friends.