Newsman Louis was a reporter for the Toronto Gazette. He was present at Amos Robinson's final boxing match against Bob Sullivan before Robinson was murdered. Later, Louis provided Detective William Murdoch with several photographic plates taken by the Gazette photographer. Murdoch used these to help in the investigation of Robinson's murder.
- The character is credited as "Newsman Louis" but his name is never given in the episode so it is unclear whether Louis is a given or surname.