Duncan is identified as one of the miniseries' major characters and is described as a fictional or composite character. The provided synopsis does not specify his actions or relationship to Pierre Trudeau, so no further role in the story can be established from the available information.
Ben is one half of the Toronto couple employing Margarita as a nanny and Mali's father. When the family's financial troubles worsen, he helps terminate Margarita's employment, although he acknowledges benefiting from her work. He shows affection toward Margarita and proposes marriage, but she does not accept.
Charlie Cowell is an anvil salesman who arrives in River City intending to tell Mayor Shinn that Professor Harold Hill has lied to the town. Marian Paroo distracts him by kissing him, causing him to miss his train. When he later speaks at the picnic, his accusation exposes Hill's fraud and triggers the town's attempt to punish him.
Harold is Red's nephew and an important participant in the effort to save the Lodge. He discovers the duct tape contest, travels with Red and Dalton, is kidnapped as leverage, and later uses gasoline and quick thinking to help launch the goose onto the contest site and win the needed prize.
Patrick McKenna has 39 screen credits in a career dating back to 1989. Their work is anchored in the Joanne Kilbourn Mysteries Collection universe with 1 titles. Signature works include The Red Green Show, Home in Time, Stand by Your Booth. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.