The Day of the Wolves is a 1971 heist movie starring Richard Egan and directed, written and produced by Ferde Grofe Jr., the son of the renowned composer, Ferde Grofe, who had previously worked in the Philippine film industry. It was the first movie to be made on location in the new town of Lake Havasu City, Arizona. This was the last feature film made by actress Martha Hyer and was also the last film made by actor Percy Helton who died about five months after filming wrapped.

Richard Egan was an American actor. After beginning his career in 1949, he subsequently won a Golden Globe Award for his performances in the films The Glory Brigade (1953) and The Kid from Left Field (1953). He went on to star in many films such as Underwater! (1955), Seven Cities of Gold (1955), The Revolt of Mamie Stover (1956), Love Me Tender (1956), Tension at Table Rock (1956), A Summer Place (1959), Esther and the King (1960) and The 300 Spartans (1962).