 His most noteworthy roles are as “Hook” in "Santee", starring Glenn Ford, and as “Vallejo” in the third remake of "Beau Geste" (1966).The television series "Yancy Derringer" stars Jock Mahoney and consists of 34 weekly episodes, which originally aired from October 1958 through June 1959.The series' storyline is set in New Orleans just after the end of the Civil War in 1865.