Marcia Gay Harden has signed on to play Dr. Grace Trevelyan in Fifty Shades of Grey, as production continues in Vancouver.

Before she became his adoptive mother, Dr. Grace Trevelyan treated Christian Grey (Jamie Dornan) after his biological mother committed suicide when he was just four years old. She also adopted Elliot Grey (Luke Grimes) and Mia Grey (Rita Ora). In the E.L. James novel, she lives in Bellvue, Washington with her husband, Carrick Grey.

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The story centers on Christian, now a 27-year-old billionaire, and his sultry affair with young college student Anastasia Steele (Dakota Johnson). Jennifer Ehle, Victor Rasuk, Eloise Mumford and Max Martini also star in the adaptation.

Sam Taylor-Johnson is directing from a script by Kelly Marcel, Patrick Marber and Mark Bomback, based on the E.L. James book.

Marcia Gay Harden most recently starred in Parkland. She can currently be seen on the ABC sitcom Trophy Wife.