ɐkˈoːɹdɪŋ tə vˈɪnsənt kˈænbi, ðə fˈɪlmeɪkɚz "ɑːɹ nˌɑːt æz ˈɪntɹɛstᵻd ɪnðə wˈɜːkɪŋz ʌvðə plˈɑːt æz ɪn mˈæɾɚz ʌv aɪdˈɛntᵻɾi ænd əbsˈɛʃən".
According to Vincent Canby, the filmmakers "are not as interested in the workings of the plot as in matters of identity and obsession".