Biography
Donald Sinclair Davis was an American actor best known for playing General George Hammond in the television series Stargate SG-1 (1997–2007), and earlier for playing Major Garland Briggs on the television series Twin Peaks (1990–1991) and Captain William Scully in The X-Files. In animation, he was also known as Wild Bill in the 2003 direct-to-video animated movie G.I. Joe: Spy Troops and its 2004 sequel, G.I. Joe: Valor vs. Venom. He was also a theater professor, painter, and United States Army captain.
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Filmography50+ titles
The X-Files
Supernatural
The West Wing
Stargate SG-1
Twin Peaks
Columbo
Stargate Atlantis
Psych
Northern Exposure
Burn Up
The Outer Limits
MacGyver
NCIS
Highlander: The Series
The Dead Zone
21 Jump Street
Twin Peaks: The Missing Pieces
A League of Their Own
Stargate SG-1: Children of the Gods
Stargate: Continuum
Miracle
Andromeda
L.A. Law
Knots Landing
Best in Show
Con Air
Hook
The Journey of Natty Gann
Cadence
Wiseguy
Cliffhanger
Stakeout
The Uninvited
Black Fox
Needful Things
Hero
Look Who's Talking
The Lady Forgets
Volcano: Fire on the Mountain
The Prisoner of Zenda, Inc.
Poltergeist: The Legacy
In Cold Blood
The 6th Day
The Fan
The Ranger, the Cook and a Hole in the Sky
Malone
Honey, I Shrunk the Kids: The TV Show
Alaska
The Limbic Region
Kuffs