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The Killing of a Sacred Deer Movie Poster

Trivia for The Killing of a Sacred Deer

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  • Second collaboration between Yorgos Lanthimos and Colin Farrell, the first being The Lobster (2015).
  • Acting for the 1st time in his 67 years, Cincinnati native Michael Trester as the Elderly Man converses with Colin Farrell, Nicole Kidman and Bill Camp in a scene at a medical convention banquet.
  • Nicole Kidman and Colin Farrell began working together on The Beguiled (2017). Only a few weeks later they wrapped filming on this film. Both films would go on to be in competition for the Palme d'Or at the 2017 Cannes Film Festival and both would win awards in the official competition ("The Beguiled" won the Directing award for Sofia Coppola while "The Killing of a Sacred Deer" shared the Screenplay award with Lynne Ramsay's You Were Never Really Here (2017)).
  • Colin Farrell admittedly felt nauseous after reading the script for the film.
  • The film's title comes from the ending of the tragedy Iphigenia in Aulis by Euripides.
  • Heart surgery scenes in the film are real. They were filmed during an operation on a real patient who was undergoing quadruple bypass surgery which Colin Farrell attended.
  • Sunny Suljic (Bob) is the only member of the Murphy family who is American in real life. Colin Farrell (Steven) and Barry Keoghan (Martin) are Irish, Nicole Kidman (Anna) is Australian, and Raffey Cassidy (Kim) is English.
  • When Steven is at the school for the parent teacher conference, the principal tells him that Kim wrote a paper on Iphigenia for which she got an A, and that was read aloud to the class. Iphigenia, in Greek mythology, is the daughter of Agamemnon. She who was to be sacrificed for the sins of her father.
  • Though their characters are two years apart, Raffey Cassidy (Kim) is ten years younger than Barry Keoghan (Martin.)
  • During the first diner scene with Steven and Martin, a deer is visible on the wallpaper.
  • The school principal says that Kim wrote an excellent report on the myth of Iphigenia. The story of Iphigenia is the basis for this film.
  • Many scenes in the film seem to have been draught out of a Edward Hopper's painting.


  • A shot panning in towards Bob (Colin Farrell and Nicole Kidman's son), just as he begins to get sick, displays a photo of a deer above his head, foreshadowing the ending of the film.
  • The title is a reference to Greek mythology: after Agamemnon killed a deer belonging to Artemis, the goddess made him atone by sacrificing his daughter Iphigenia.
  • Bob is the only member of the Murphy family that doesn't smoke a cigarette during the film. Furthermore, when Martin asks if he can light a cigarette in Kim's room, Bob responds with "You'd better not."
  • Steven tells Kim he doesn't want her riding on motorcycles without a helmet. Kim is later seen on the back of Martin's motorcycle without a helmet.
  • Martin's favorite movie is Groundhog Day (1993), which is famous for not explaining how the lead character ends up in a time loop, much like this film never explains how Martin sickens Steven's family.
  • When Kim is attempting to seduce Martin, she takes off her clothes and lies motionless on the bed, mirroring her mother's sexual behavior towards her father.
  • The film's title refers to the Greek myth of Iphigenia. Her father Agamemnon had killed one of Artemis' sacred deer, and was forced to sacrifice his own daughter to appease the goddess, who was causing various misfortunes to prevent the Greek army from sailing to Troy. Similarly, Steven Murphy is forced to kill a member of his own family to appease Martin after causing the death of his father.
  • When Steven visits the school, the principal informs him how Kim received an A+ for her essay on the Tragedy of Ipheginia. This film draws influences and story elements from the same tragedy.
  • Body Count: 2.
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