<Li> Jamie Dornan as Christian Grey, a 27 - year - old billionaire, entrepreneur, and CEO of Grey Enterprises Holdings Inc . </Li> <Li> Eloise Mumford as Katherine "Kate" Kavanagh, Anastasia's best friend / roommate who begins a relationship with Christian's older brother, Elliot Grey . </Li> <Li> Jennifer Ehle as Carla Wilks, Anastasia's mother . </Li> <Li> Marcia Gay Harden as Dr. Grace Trevelyan - Grey, Christian's adoptive mother . </Li>

Who is carla in 50 shades of grey