Michael Riley is a Canadian actor. From 1998 to 2000, he portrayed Brett Parker in Power Play. He has acted in over 40 films and television series, including This Is Wonderland, for which he received a Gemini Award, and the Emmy-nominated BBC / Discovery Channel co-production Supervolcano. He also portrays, Dr. Tom, a leading character in the 2009 CBC Television series Being Erica.

Supervolcano is a 2005 disaster drama television film directed by Tony Mitchell and written by Edward Canfor-Dumas. It is based on the speculated and potential eruption of the volcanic Yellowstone Caldera, located in Yellowstone National Park. The film stars an ensemble cast consisting of Michael Riley, Gary Lewis, Shaun Johnston, Adrian Holmes, Jennifer Copping, Rebecca Jenkins, Tom McBeath, Robert Wisden, Susan Duerden, Jane McLean, Sam Charles, and Kevin McNulty.