Tom McBeath is a Canadian actor.

He is the winner of three Jessie Awards best known for playing Col. Harold Maybourne on Stargate SG-1.

In 2017, he started playing Smithers on Riverdale.

He is best known for playing Harry Maybourne on Stargate SG-1, a role for which he was nominated for a Gemini Award in 1998 and a Leo Award in 2005.

[citation needed] He is also a stage actor known to take a diverse set of roles.