The British actor is in demand following his win for Best Performance by an Actor in a Leading Role in a Play for One Man, Two Guvnors at the Tony Awards on Sunday (10Jun12), and has been confirmed as the lead in the movie about Potts' rise to fame.
The phone salesman-turned-classical singer became an overnight sensation after he appeared on Simon Cowell's Britain's Got Talent in 2007.
Talking about hiring Corden, who will work on the screenplay alongside director David Frankel, film mogul Harvey Weinstein tells the Daily Mail, "James is a brilliant actor and a wonderful comedian and we're excited to be working with him - and David - on this inspiring true story. Hot off James' Tony win, we can't wait to get started."
Katy Perry is in talks to play Potts' wife.