“The Late Show with David Letterman” executive producer Rob Burnett is writing and directing
The inspirational story finds Rudd forming a unique bond with a teen afflicted with muscular dystrophy.
Donna Gigliotti (“Silver Linings Playbook”) and James Spies will produce the indie movie, which starts production later this month in Atlanta.
Rudd next stars in “Ant-Man,” which unveiled its first full trailer to mixed response on Tuesday night.
The Marvel film opens July 17.