Jamie Dornan to star in 'Untogether'

Los Angeles: Actors Jamie Dornan, Ben Mendelsohn, and sisters Jemima Kirke and Lola Kirke have been roped in to star in the upcoming independent dramedy "Untogether".

Dornan, best known for his blockbuster film "Fifty Shades of Grey", will portray a successful writer who has an affair with Jemima's character, a former teen prodigy and heroin addict trying to become a writer, reports variety.com.

Lola will play her younger sister who has an older boyfriend -- played by Mendelsohn.

Emma Forrest will direct the film from her own screenplay in her feature directorial debut. It's also the first film in which the Kirke sisters will appear together.

The film will go on floors from October 17 onwards.