The Eagle's Brood starred which film actor who also played the role of Hopalong Cassidy?
William Boyd (actor) William Lawrence Boyd (June 5, 1895 – September 12, 1972) was an American film actor known for portraying the cowboy hero Hopalong Cassidy.
Douglas Kennedy (actor) Douglas Richards Kennedy (September 14, 1915 – August 10, 1973) was an American supporting actor originally from New York City who appeared in more than 190 films between 1935 and 1973.