Bannon started his career in radio in Kansas ( KCKN ) and St. Louis ( KMOX ); In 1937 he decided to go to California. There he worked as a speaker on various radio programs and was the mid-1940s an actor contract with Columbia Pictures. He reached first attention as Jack Packard in the three-part I love a mystery- thriller series. After termination of the contract Bannon sought as an actor after work and found it in the Serial Dangers of the Canadian Mounted. When Monogram he played in various Western.
His most famous role was played by Bannon 1949/1950 in the four color films around the Red Ryder, the small production company, Eagle Lion brought out. The decline of the B- film by the ever-increasing competition from television these limited attempts to revive Western series again ( Bannon was the fourth Red Ryder history). A television pilot was unsuccessful. In the summer of 1950 he went with Tom Packs Circus on tour. In the short-lived series Adventures of Champion, which was produced by Gene Autry, he was in 1955 Uncle Sandy North.
Until the mid- 1960s Bannon played on television and on the big screen supporting roles, then finished his career and moved to stopover in Texas to California, where he died in 1984.
Bannon married in 1938 Bea Benaderet, a radio announcer; Son John was born in 1940, daughter Margaret in 1947. Marriage was divorced in 1950. A second he went in 1961 with Barbara - This marriage lasted 20 years. He had the ticket and also worked as a flight instructor.
- The Son That Rose In The West. Devil's Hole Printery, Plano, Texas, 1975.