Trivia

He has appeared in four films that have been selected for the National Film Registry by the Library of Congress as being "culturally, historically or aesthetically" significant: Le point de non-retour (1967), L'Inspecteur Harry (1971), Josey Wales hors-la-loi (1976) and American College (1978).

In later years, he provided voices for video games and animated shows.

Having shown a talent for acting at his Jesuit school, Vernon won a place at the Royal Academy of Dramatic Art in London, alongside Peter O'Toole, Albert Finney, and Alan Bates.

Had the unique achievement of having voiced both Genenal Ross and Major Talbot from "The Incredible Hulk" comics. He played Major Talbot in the 1966 series, Hulk (1966), and General Ross in the 1996 version, L'Incroyable Hulk (1996).

His four appearances on "Mission: Impossible" as a guest star villain are second to Anthony Zerbe's five.

Father of Kate Vernon, Nan Vernon, and Christopher Vernon.

Of Polish and German descent, he was one of two sons born to an immigrant grocer, Adolf Agopsowicz, and wife Eleanore Krückel, and was baptized at the Sacred Heart Roman Catholic parish in nearby Arat, as Adolphus Raymondus Vernon Agopsowicz. He was a third cousin of Trent Gough.

He was a Member of the Academy of Motion Picture Arts and Sciences (Actors Branch).