Christopher Tierney sustained broken ribs and suffered some internal bleeding as a result of falling from the platform, according to a person familiar with his medical condition.
Spider-Man is the most expensive show ever to hit Broadway, but has yet to open as the production has encountered repeated problems and injuries.
Christopher Tierney is the fourth performer to be hurt working on the Spider-man musical, which involves many complex aerial stunts.
The musical cost is $65 million, and it has been beset by a range of financial, creative and safety problems. In addition to Christopher Tierney's injury, another actor broke his wrists and yet another actor hurt his ankle.
A photo of Christopher Tierney as Spiderman.