McBeath's television credits are also extensive.  He is perhaps best known for his recurring role on Stargate SG-1 as Col. Harry Maybourne. Listed below are the television programs he has appeared in.  Click on an underlined title for more information.  Note:  Internal links have commentaries/pictures which may include spoilers.
 
Just Cause (The Last to Know) Street Justice (Debt of Honor)
Skullduggery Stargate SG-1 (recurring role)
Mysterious Ways (Logan Miller) The Chris Isaak Show (Duty Calls, The Candidate)
UC: Undercover (Honor Among Thieves) DaVinci's Inquest (This Shit is Evil)
Night Man (Gore) The Net (Last Man Standing)
Millennium (Kingdom Come, Omerta) Nothing's Too Good for a Cowboy (The Shape of Things to Come)
Dead Man's Gun (Sisters of Mercy, Medicine Man) Cold Squad (Jane Klosky)
Viper (Getting MADD) The Sentinel (Three-Point Shot)
Highlander (The Fighter, Money No Object) The X-Files (Space, 3, Teso Dos Bichos)
The Outer Limits (If These Walls Could Talk, Glyphic) Hawkeye (The Bear)
The Commish (Sex, Lies and Kerosene) Neon Rider (Blood Feud)
Mom P.I. (Over the Edge) North of 60 (Out of the Blue)
Wiseguy (Heir to the Throne)
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