Applegate, Day join 'Going The Distance'

Christina Applegate and Charlie Day have been added to the cast of romcom Going The Distance, according to The Hollywood Reporter.

The movie centres on a couple (played by Drew Barrymore and Justin Long) who struggle to make their long distance relationship work. Applegate will star as Barrymore's sister, with Day playing the best friend of Long's character.

Nanette Burstein will direct the movie from a script by Geoff LaTulippe, with Adam Shankman and Jennifer Gibgot producing.

Going The Distance is expected to open in cinemas in 2011.