I wonder if any of the many readers who are film buffs can give any information on an actor whom I only saw in one film?

It was in the Fifties, when my parents used to take my sister and I regularly to the cinema.

Our favourite was the Regent, where, after queuing outside, there was another queue inside down one of the aisles.

I think the film was called Tower - or London Bridge - and it starred the actor I am curious about, Bonar Colleono.

I think he was either American or Canadian.

-T Austin, Elm Drive, Hove