"Despite the love and security that my siblings provided me, and my family provided me, and my adoptive family provides me, that was the moment, March 6, 2006 ... I've been alone since then," Will Reeve, who was 13 when he lost his mother, said in a new documentary, "Super/Man: The Christopher Reeve Story,” that explores the actor’s life.

Robert Redford was apparently considered for the role of Superman in the early stages of production — a fact that got a few laughs from the crowd during the film’s premiere at Sundance, which was founded by Redford. Other A-listers who were in the running included Burt Reynolds, Paul Newman, Arnold Schwarzenegger and Neil Diamond.