John Gavin (born Juan Vincent Apablasa on April 8, 1931) is an American film actor who was the United States Ambassador to Mexico from 1981 to 1986 and President of the Screen Actors Guild from 1971 to 1973. He is best known for his performances in the films Imitation of Life (1959), Spartacus (1960), Psycho (1960), and Thoroughly Modern Millie (1967), playing leading roles in a series of films for producer Ross Hunter.Born Juan Vincent Apablasa, Gavin is of Mexican and Chilean descent, and is fluent in Spanish. His father, Juan Vincent Apablasa, was of Chilean origin, and his ancestors were early landowners in California when it was still under Spanish rule. Gavin's mother (Delia Diana Pablos) hailed from the historically influential Pablos family of Sonora, Mexico. About two years after John's birth, his mother obtained a divorce from Apablasa. Her next marriage was to Herald Ray Golenor who adopted John and changed his name to John Anthony Golenor. Wikipedia