The protagonist reminisces about a movie he'd seen, in which Lazarus resents being brought back to life by Jesus. For this flashback, the movie uses a clip from the 1988 film "The Last Temptation of Christ," starring Willem Dafoe. Later, during the fundraising scene at the garden party, Dafoe can be spotted in a cameo as one of the applauding patrons.
Oona Chaplin, who plays the character of Naomi, is the granddaughter of legendary actor Charles Chaplin.
The film shares common points with Open Your Eyes and its American remake Vanilla Sky, which were also written by Mateo Gil. Here he revisits themes of love, loss and death within the frame of a cryogenics sci-fi story.
The urban legend suggesting Walt Disney was cryopreserved is false; he was cremated and interred at Forest Lawn Memorial Park Cemetery.[66]