<Li> Anthony Anderson as Nolan, a dim - witted security guard . </Li> <Li> Jascha Washington as Trent Pierce, Sherry's 10 - year - old son . </Li> <Li> Ella Mitchell as Hattie Mae Pierce (Big Momma), Sherry's long lost, overweight, elderly Southern grandmother . </Li> <Li> Phyllis Applegate as Sadie, Big Momma's nosy and jealous neighbor </Li>

Who played the real big momma in big momma's house