Oedipus Rex reveals the prophecy which caused him to leave Corinth (791-93): "that I was fated to lie with my mother," "and show to daylight an accursed breed" "which men would not endure, and I was doomed" "to be murderer of the father that begot me." The implication of Laius's oracle is ambiguous. One interpretation considers that the presentation of Laius's oracle in this play differs from that found in Aeschylus's Oedipus trilogy produced in 467 BC. Helaine Smith argues: Sophocles had the option of making the oracle to Laius conditional ("if" Laius has a son, that son will kill him) or
Oedipus Rex all-star cast, including Christopher Plummer as Oedipus, Lilli Palmer as Jocasta, Orson Welles as Tiresias, Richard Johnson as Creon, Roger Livesey as the Shepherd, and Donald Sutherland as the Leading Member of the Chorus. Sutherland's voice, however, was dubbed by another actor. The film went a step further than the play, however, by actually showing, in flashback, the murder of Laius (Friedrich Ledebur). It also showed Oedipus and Jocasta in bed together, making love. Made in 1968, this film was not seen in Europe and the U.S. until the 1970s and 1980s after legal release and distribution rights were granted