Son of Flubber
Sweeney's most notable film credits as an actor include the role of the undertaker in John Ford's "The Last Hurrah" (1958), as manipulative circus manager Harry Tupper in the Disney film "Toby Tyler" (1960), and as smarmy advertising executive Mr. Harker in another Disney film, "Son of Flubber" (1963). Sweeney also appeared as Cousin Bob in Alfred Hitchcock's "Marnie" (1964).