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 not to disclose his final resting place since "[T]hey had chased him all his life, and now he's going to rest in peace." This story is also recounted by W.C. Jameson in "Butch Cassidy: Beyond the Grave", referencing the 1975 book Betenson co-authored with Dora Flack, "Butch Cassidy, My Brother". William T. Phillips claimed to have known Butch Cassidy since childhood. In his book "In Search of Butch Cassidy", Larry Pointer speculated that Phillips was actually Butch Cassidy, based upon stories in Phillip's unpublished manuscript, "The Bandit Invincible," and a resemblance between Phillips and Cassidy. However, in 2012, Pointer obtained