This movie showed up on The Turner Movie Channel this morning.
Errol Flynn is Jamie (<--I KNOW!!!) Balleantrae one of two Scottish brothers on either side of the '45.
A more gritty Errol Flynn adventure/romance film with exta-ordinary costumes and set work and very enjoyable even if viewed with SO
Check the trailer on IMDB:
Thanks for the link to the trailer, BeauSoleil. It is good to see you here on the OL forum.
I will have to look up this movie at my local library.