'Fifty Shades of Grey' movie casts Charlie Hunnam and Dakota Johnson as leads

Focus Features and Universal Pictures announced Monday that Dakota Johnson will play Anastasia Steele in the big-screen adaptation of E L James' “Fifty Shades of Grey.”

NEW YORK — The big-screen adaptation of E L James’ “Fifty Shades of Grey” has cast its lead roles.

Charlie Hunnam will play the 27-year-old billionaire Christian Grey, and Dakota Johnson will play the college student he captivates, Anastasia Steele.

The 33-year-old British actor Hunnam starred in this summer’s robot-monster battle “Pacific Rim.” He currently stars in the FX series “Sons of Anarchy.”

The 23-year-old Johnson is the daughter of actors Don Johnson and Melanie Griffith. She has had small roles in “The Social Network” and “21 Jump Street.”

Focus Features and Universal Pictures announced the castings Monday.

Directed by Sam Taylor-Johnson, the film is to be released next August.