Biel, Johnson to voice 'Planet 51'

Dwayne 'The Rock' Johnson and Jessica Biel have reportedly signed up to provide voices for new animated movie Planet 51.

Justin Long and Seann William Scott will also appear in the film, the first 3-D CG-animated feature from New Line Cinema.

Jorge Blanco , co-creator of the Commandos video games, is in line to direct alongside Javier Abad and Marcos Martinez, reports Variety.

Joe Stillman, a writer on the first two Shrek films, has signed to write the script.

The film sees astronaut Chuck Baker (Johnson) discover a planet whose green inhabitants live in fear of alien invasion. With the help of a young resident, he struggles to avoid capture to find his spaceship and return home.

Planet 51 is scheduled for release on July 24, 2009.