New York ( CNN ) -- A Broadway actor who fell more than 20 feet during an aerial stunt in the musical `` Spider-Man : Turn Off the Dark , '' will attend Friday 's 8 p.m. performance as a spectator , according to show spokesman Sam Corbett . Christopher Tierney , 31 , was released from New York University 's Rusk Institute of Rehabilitation Medicine on Wednesday , after suffering four broken ribs ; a hairline skull fracture ; a broken shoulder blade ; a bruised lung ; three cracked vertebrae , and broken bones below his elbow as a result of his fall , according to his father . `` He is up , '' Tim Tierney said of his son , discharged from New York 's Bellevue Hospital on December 28 . `` He is walking and just doing very well . '' Several of the performances were canceled following the December 20 incident , as new safety measures were put in place following a meeting with officials from the Department of Labor and the Occupational Safety and Health Administration . The behind-the-scenes drama at the $ 65 million production ­ -- including a series of mishaps resulting in actor injuries -- has continued to raise questions over its safety record . The younger Tierney said Tuesday he was looking forward to returning to the show and not concerned about his safety . `` I 'm not worried about it , '' he said . `` They 've got it well taken care of . '' Another actor in the show , Patrick Page , said the new measures have increased communication between actors and safety personnel . The show , with music and lyrics by U2 's Bono and The Edge , is said to be the most expensive in Broadway history .
Christopher Tierney broke several bones during an aerial stunt in the musical . Tierney , 31 , was released from rehab Wednesday . `` Spider-Man : Turn Off the Dark '' is said to be Broadway 's most expensive musical ever .