 The episode "The Dream Sequence Always Rings Twice" opens with an  introduction by Orson Welles (qv). Welles died five days before  the episode was broadcast, thus his cameo was likely the last time  Welles ever appeared before a camera. Welless name didnt appear in  either the opening or end credits so you could in some way say that  he was uncredited but "he received" a captioning in the beginning of  the episode though, that read "This program is dedicated to the  memory of Orson Welles 1915