Complex sentence: Frank Jenks (November 4,1902-May 13,1962), an acid-voiced supporting actor, began in vaudeville and went on to a long career in movies and television, mostly in comedy.
Split into simpler sentences: Frank Jenks (November 4,1902-May 13,1962) was an acid-voiced American supporting actor of stage and films. Jenks began in vaudeville and went on to a long career in movies and television, mostly in comedy.