What actors and actresses appeared in The Duke Duchess of York Arriving at Quebec - 1901?

You're likely thinking of a historical event, not a film. The Duke and Duchess of York (later King George V and Queen Mary) did indeed visit Quebec in 1901. It was a real-life event, not a fictional one, so there were no actors involved.

Perhaps you're looking for information about the Duke and Duchess's visit to Quebec? If so, you might find resources about their itinerary, the reception they received, and the historical context of the visit.