Young Scots guy with a Glaswegian accent, who is Sir Rex Harrison's caddy, is a young Scottish actor called Jack Short (he didn't get a credit).
This movie received its initial USA television broadcasts in Boston Sunday 1 January 1950 on WBZ (Channel 4), in Chicago Sunday 26 February 1950 on WGN (Channel 9), in Atlanta Wednesday 29 March 1950 on WSB (Channel 8), and in New York City Sunday 16 July 1950 on WPIX (Channel 11).