Actress Rebecca Ferguson who plays Dr. Miranda North, British, Quarantine Officer, originally turned down the role. She thought she would not live up to standards. She was nervous and scared. She told it to the producer and was advised to talk with the director of the movie Daniel Espinosa. His philosophy and ideas for the film impressed her and decided to change her decision and eventually take part in the movie.
Both Hiroyuki Sanada and Ryan Reynolds have starred opposite Hugh Jackman in the X-Men character Wolverine movies. Sanada played Shingen in The Wolverine (2013) and Reynolds played Wade Wilson/Deadpool in X-Men Origins: Wolverine (2009).
The part when jake tells a story when he was still in school watching television about the challenger mission coincidentally he portrays a character watching the television live about the the launching of the challenger mission. That movie was october sky.