Ted Cassidy "Battlestar Galactica: The Complete Epic Series" [1978]), Cassidy can be heard providing temporary voice tracks of the Cylon Imperious Leader, before actor Patrick Macnee was contracted to voice the character. Other film work included his appearances in "Butch Cassidy and the Sundance Kid" (1969), "Mackenna's Gold" (1969), "The Limit" (1972), "Charcoal Black" (1972), "The Slams" (1973), "Thunder County" (1974), "Poor Pretty Eddie" (1975), "Harry and Walter Go to New York" (1976), "The Last Remake of Beau Geste" (1977) and "Goin' Coconuts" (1978). He also co-wrote the screenplay of 1973's "The Harrad Experiment", in which he made a brief appearance. In
Butch Cassidy and the Sundance Kid says he wrote the story as an original screenplay because he did not want to do the research to make it authentic as a novel. Goldman later stated: The whole reason I wrote the ... thing, there is that famous line that Scott Fitzgerald wrote, who was one of my heroes, "There are no second acts in American lives." When I read about Cassidy and Longbaugh and the superposse coming after them—that's phenomenal material. They ran to South America and lived there for eight years and that was what thrilled me: they had a second act. They were more legendary