Ten internet users have landed film roles after they auditioned on the social networking site MySpace.
Readers of the website chose the movie's director and several of the actors after producers asked people to participate in the auditions.
The unknowns, who include a student and an aerospace engineer, star alongside actors Paul Nicholls and Tim Healy.
Faintheart, billed as a romantic comedy, is due to be released by the summer of 2008.
'Part of film process'
The movie, which is being backed by Film4 and Vertigo Films, tells the story of Richard, a sales assistant who spends his weekends as a Mighty Norse Warrior in battle re-enactments.
Director Vito Rocco won his role after 500,000 MySpace users, who viewed the short film he submitted online, chose him.
"We've given cinema-goers and online users the first real opportunity to be part of the film-making process right the way through from script to seeing the results of their input up on the big screen," he said.