Christopher Reeve's children Alexandra, Matthew and Will were a united front at the New York premiere of the documentary honoring their late father. See all the red carpet photos

Reeve died at 52 in 2004, just under one decade after his life-changing fall in 1995. His wife Dana, with whom he shared Will, died two years after Reeve passed away. Reeve shared his older two children with ex-partner Gae Exton, who also appears in the new documentary.

Armed with home videos and interviews with Reeve's family and closest friends, "Super/Man: The Christopher Reeve Story" gives a powerful and honest look at the man who played a hero, and then became one after a devastating horse-riding accident left him paralyzed nearly 30 years ago.

Very few actors embodied the role of a superhero quite like Christopher Reeve. For generations of movie-loving audience members, Reeve was – and is – Superman. He first stepped into the iconic DC role in 1978’s aptly titled Superman,

The late Christopher Reeve's children stepped out together for the premiere of "Super/Man: The Christopher Reeve Story," which explores the legacy of their beloved father. The documentary follows Christopher Reeve's life as he became the iconic "Superman" character and after he was paralyzed in a near-fatal horse-riding accident in 1995.

Christopher Reeve's son Will Reeve was supported by his GMA co-stars including Robin Roberts and Lara Spencer at the premiere of Super/Man: The Christopher Reeve Story

The latest actor to play the Man of Steel honored one of the first to play him on the big screen at the premiere of Super/Man: The Christopher Reeve Story.