There does not appear to be an actor or actress named Douglas Walton with a significant film career or prominent roles matching this description.

Generally, the name Douglas Walton is associated with an eminent Canadian philosopher and logician, known for his studies on argumentation and fallacies, not for acting.

If this is an error or refers to a much lesser-known actor, the available information does not support the existence of a significant film career for a Douglas Walton. There might have been a confusion with another name or a different person.