Cole Hauser, 48, announced the news of Cass Warner’s passing by sharing a photo of her on Instagram that showed them riding horses together. He captioned the image: “Her kindness, love, humour and amazing spirit will be missed by not only my family but the world. You have touched so many.” Cole’s mum CasS was the daughter of film producer Milton Sperling and Betty Warner Sheinbaum and her granddad Harry Warner was one of the four founders of Warner Bros.