Archibald Williams "Arch" Hall, Sr. (December 21, 1908 – April 28, 1978) was an American actor, writer, and film producer. He made a series of B-movies during the 1960s that often featured his son Arch Hall Jr.. He would at times use screen names such as Nicholas Merriwether for his work. Growing up in South Dakota, Hall spoke the Sioux language and also had the Sioux name Waa-toe-gala Oak-Shilla, which translated to Wild Boy. Hall worked as a stuntman in the 1930s. During World War II, Hall served in the United States Army Air Forces.