Stargate SG-1's Don S. Davis by Eike Schroter/Sci Fi Channel Photo
Don Sinclair Davis, an Army vet turned character actor best known to TV fans for his roles as Stargate SG-1's General George Hammond and Twin Peaks' Major Garland Briggs, died on Sunday of a heart attack. He was 65.

A family friend tells the Vancouver Sun that Davis - who called Gibsons, British Columbia, home - had dealt with heart problems for years, and suffered from diabetes.

Davis leaves behind his wife of five years, Ruby, and a son from a previous marriage. - Matt Mitovich