What actors and actresses appeared in Bernstein London - 1976?

There seems to be a misunderstanding. There is no known film or TV show titled "Bernstein London - 1976".

It is possible that you are thinking of a different title or there is a typo in the name.

Could you please double-check the title and provide more information?

Perhaps you are thinking of a concert or event that took place in London in 1976 featuring Leonard Bernstein?

Please provide more details so I can help you accurately.