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
Kevin Cassidy an interview with the writer of the book "This Is Our Year", who told him that an acquaintance at social events often introduces him as "the man who cost Kevin Cassidy a Celtic Cross". Cassidy responded by referring to his Glasgow birth and his soccer heritage: The writer of the book mentioned that he had suggested to Cassidy to tell McGuinness that "some of those discussions were off the record, blame me and then you wouldn't lose your place" and asked Cassidy, "Why didn't you?" Cassidy said: Cassidy admitted he had never read "This Is Our Year", though he also