Jennifer Ehle cast as Anastasia Steele's mother in "Fifty Shades of Grey"

Actress Jennifer Ehle has been cast as Anastasia Steele's mother, Carla, in the film adaptation of "Fifty Shades of Grey," according to The Hollywood Reporter.

"50 Shades of Grey" cast announced: Will they stack up to book?

Ehle has appeared in "The King's Speech," "Contagion," "Zero Dark Thirty" and most recently filmed the upcoming "RoboCop" movie remake. She also starred Elizabeth Bennet in the 1995 TV mini-series "Pride and Prejudice," alongside Colin Firth's Mr. Darcy. With the new casting, she'll play the mother of Anastasia Steele, the college student who falls in love with billionaire Christian Grey. Dakota Johnson has been cast as Steele and "Sons of Anarchy" actorCharlie Hunnam will play Grey.

Sam Taylor-Johnson will direct the big-screen version of E L James' racy bestselling novel. The film arrives in theaters on Aug. 1, 2014.