Robert Keeshan: Robert Keeshan. Actor: Captain Kangaroo. Television producer and host Robert James Keeshan was born in Lynbrook, Long Island, New York. As a young man he served in the US Marine Corps Reserve. Starting as a page at the National Broadcasting Company, Keeshan later began his on-air career as the original "Clarabell, the Clown" for the NBC The Howdy Doody Show (1947) (aka "The Howdy Doody Show"). He was then the...
