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 alerts the local police, leading to a gunfight with the outlaws. They take cover in a building but are both seriously wounded, after Butch makes a futile attempt to run to the mules in order to bring more ammunition, while Sundance provides cover fire. As dozens of Bolivian soldiers surround the area, Butch suggests the duo's next destination should be Australia. They charge out of the building guns blazing. William Goldman first came across the story of Butch Cassidy in the late 1950s and researched it on and off for eight years before sitting down to write the screenplay. Goldman