Trivia: Originally, Alejandro was meant to have much more dialogue, and his tragic origin would have been revealed earlier in the film. Actor Benicio Del Toro and director Denis Villeneuve ended up agreeing that the character worked better as a silent, mysterious type and that the revelation of his origin should occur late in the film. It is estimated that as much as 90% of his dialogue was deleted during rewrites.
Trivia: Although they play mother and daughter in this film, Cecily Strong is only eleven years older than Hayley Lu Richardson.
Trivia: At a red carpet event to promote the film, Dwayne Johnson set a world record of 105 selfies in three minutes, averaging out to one picture every 1.7 seconds.
Trivia: Although Hayley Atwell plays Lily James's mother, she is only seven years older than James in real life.
Trivia: Regarding the pursuit of Fitzgerald, the history says that Glass learned that Fitzgerald had joined the army and was stationed at Fort Atkinson, in present-day Nebraska. He traveled there as well, where Fitzgerald returned his stolen rifle. Glass reportedly spared Fitzgerald's life because of the heavy penalty for killing a soldier of the United States Army. So, there was no bloody fight as depicted in the film. No "revenge."
Trivia: Actress Jessica Chastain went through a full-body cast for this film for her role as Lucille.
Trivia: Adjusted for inflation, Ex Machina is the lowest-budgeted winner of the Academy Award for Best Visual Effects in history. In 2019, its budget comes to around $16 million, with the closest equivalent being the $41 million of Cocoon (1985).
Trivia: Rachael Carpani plays Cathy, the mother of Bart (James Maslow). In real life, Carpani is only ten years older than Maslow.
Trivia: Apart from the two leads, Tom Noonan voices every character (male or female) in the film.