Sterling Walter Hayden (born Sterling Relyea Walter; March 26, 1916 – May 23, 1986) was an American actor and author. For most of his career as a leading man, he specialized in westerns and film noir, such as Johnny Guitar, The Asphalt Jungle, and The Killing. Later on he became noted as a character actor for such roles as Gen. Jack D. Ripper in Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964).