What movie dramatized the aborted lunar mission of the astronaut who would have been the 6th man to walk on the moon?
Apollo 13 (film):  The screenplay by William Broyles, Jr. and Al Reinert, that dramatizes the aborted 1970 Apollo 13 lunar mission, is an adaptation of the book "Lost Moon: The Perilous Voyage of Apollo 13" by astronaut Jim Lovell and Jeffrey Kluger. Fred Haise:  He was to have been the sixth person to land and walk on the Moon, but the Apollo 13 mission was aborted before lunar landing.
Apollo 13