During the final days of the film's production in Durango, Mexico, John Candy died of a heart attack at the age of 43.
dˈʊɹɹɪŋ ðə fˈaɪnəl dˈeɪz ʌvðə fˈɪlmz pɹədˈʌkʃən ɪn dʊɹɹˈæŋɡoʊ, mˈɛksɪkˌoʊ, dʒˈɑːn kˈændi dˈaɪd əvə hˈɑːɹt ɐtˈæk æt ðɪ ˈeɪdʒ ʌv fˈoːɹɾi θɹˈiː.