'Malcolm' star joins new horror movie

Malcolm in the Middle star Frankie Muniz has joined the cast of a horror movie.

The 19-year-old actor will star in Stay Alive, alongside Jon Foster (The Door In The Floor) and The O.C.'s Samaire Armstrong.

The movie follows a group of friends who are involved in a murder adventure, thanks to a mysterious computer game. Muniz plays the role of a computer geek in the film.

Stay Alive begins filming next month.