Robert Long was born on March 26, 1894 in Tippecanoe County, Indiana, USA. He was an actor, known for Captain Kidd and the Slave Girl (1954), El hombre de las cavernas (1953) and Return to Treasure Island (1954). He died on July 5, 1972 in Los Angeles, California, USA.
Biography from Wikipedia, CC BY-SA. Credits and photos from TMDB.
The titles people know Robert from.

as Calico Jack
as Game Warden George Oakes

as Presiding Senator (uncredited)

as The Judge