
Don S. Davis
Donald Sinclair Davis (August 4, 1942 – June 29, 2008) was an American actor, artist, and former military officer. He began his career as a theater professor before transitioning to acting. He became known for his role as General George Hammond in Stargate SG-1 (1997–2007) and Major Garland Briggs in Twin Peaks (1990–1991). Davis appeared in numerous films, including A League of Their Own (1992), The Fan (1996), The 6th Day (2000), and Far Cry (2008). He often portrayed authority figures and military characters, reinforced by his real-life experience as a U.S. Army captain. In addition to acting, he was a talented painter and sculptor. He studied theater and art at Southwest Missouri State College and later earned a Ph.D. in Theater Arts from Southern Illinois University. Davis was married to Ruby Fleming-Davis and remained an influential presence in film and television until his passing.
Known for

NCIS
2003

Supernatural
2005

The X-Files
1993

The West Wing
1999

Stargate SG-1
1997

Columbo
1971

Stargate Atlantis
2004

Psych
2006

Twin Peaks
1990

Twin Peaks
1990

Northern Exposure
1990

MacGyver
1985

MacGyver
1985

21 Jump Street
1987

21 Jump Street
1987

21 Jump Street
1987

21 Jump Street
1987

21 Jump Street
1987

L.A. Law
1986

Knots Landing
1979

Highlander: The Series
1992

Andromeda
2000

The Dead Zone
2002

The Outer Limits
1995