FRANK 'CAV' CAVANAUGH LEAVES A PROMISING CAREER AS A FOOTBALL PLAYER TO SUPPORT HIS FAMILY AND THEN LEAVES HIS JOB AS A FOOTBALL COACH TO RALLY EXHAUSTED TROOPS TO THE FRONT IN WWI. STARRING PAT O'BRIEN, ROBERT RYAN, RUTH WARRICK, LEON AMES, RUSSELL WADE, RICHARD MARTIN.