Katheryn Winnick Caught Up In "Geostorm"

Katheryn Winnick has joined the cast of the sci-fi tale "Geostorm" says Deadline.

The story sees Gerard Butler play a charming, yet stubborn satellite designer who, when the world's climate-controlling satellites malfunction has to work together with his estranged brother (Jim Sturgess) to save the world from a giant man-made storm. As the designer heads into space, the brother discovers a plot to assassinate the president (Andy Garcia).

Winnick will play the ex-wife of Butler's.

 Abbie Cornish will play Stugess' Secret Service agent girlfriend. Ed Harris will play the Secretary of State.

Dean Devlin calls action here from the script he penned with Michele Mulroney and Kieran Mulroney ("Sherlock Holmes: A Game of Shadows")

David Ellison, Dana Goldberg, Marc Roskin and Rachel Olschan will produce the film.

Production looks to begin in October in New Orleans.