Widower Cedric Brown hires Nanny McPhee to care for his seven rambunctious children, who have chased away all previous nannies. Taunted by Simon and his siblings, Nanny McPhee uses mystical powers to instill discipline. And when the children's great-aunt and … Emma Thompson, Colin Firth, Kelly Macdonald, Thomas Brodie-Sangster, Eliza Bennett, Jennifer Rae Daykin, Raphaël Coleman Added on HBO 2023-01-23. Added on Amazon Prime 2023-10-31. Youtube Trailer