Anna Kendrick won't be joining Bill Hader on anytime soon. At the premiere of the HBO series' third season on Monday, the 43-year-old actor was quick to shut down ET's inquiry about Hader's real-life girlfriend guest starring on the show.«Oh no,» Hader told ET's Kevin Frazier of the possibility of Kendrick appearing on the series. Hader's insistence that his girlfriend won't act on came the same month that he cited his kids as his reason for staying mum about his relationship with the 36-year-old actress, with whom he starred in the 2019 Disney+ Christmas movie, .Hader, who divorced Maggie Carey in 2018, shares Hayley, 7, Harper, 10, Hannah, 12, with his writer-director ex.«They just want me to be their dad,» he told of his daughters. «They just want me to sit and watch over and over and over again.