 Boyer's son had died in 1965 and Boyer was finding it traumatic to continue living in Los Angeles so in March 1970 he decided to relocate to Europe.Boyer's final credits included the musical remake of "Lost Horizon" (1973) and the French film "Stavisky" (1974), starring Jean-Paul Belmondo, the latter winning him the New York Film Critics Circle Award for Best Supporting Actor, and also received the Special Tribute at Cannes Film Festival.Boyer's final performance was in "A Matter of Time" (1976) with Liza Minnelli and Ingrid Bergman, directed by Vincente Minnelli.