Don Sinclair Davis was an American character actor best-known for playing General Hammond in the television series Stargate SG-1, and earlier for playing Major Garland Briggs on the television series Twin Peaks. He was also a theater professor, painter, and United States Army captain.
Wyvern
As Colonel Travis Sherman
G.I. Joe: Valor vs. Venom
As Wild Bill (voice)
G.I. Joe: Spy Troops
As Wild Bill (voice)
Beneath
As Joseph
Far Cry
As General Roderick
Look Who's Talking Too
As Dr. Fleischer
Heritage Minutes: Sam Steele
As Norris
Stargate: Continuum
As Lieutenant General George Hammond
Kuffs
As Police Gun Instructor
Beyond the Stars
As Phil Clawson
Alaska
As Sergeant Grazer
Vipers
As Dr. Silverton
Dead Ahead: The Exxon Valdez Disaster
As Bill Stevens - Exxon
Omen IV: The Awakening
As Jake Madison
Beyond Loch Ness
As Neil Chapman
Woodshop
As Principal Jamison
Rescue Force
As Commando
Avalanche
As Whitney
Waiting for the Light
As Dr. Norman
The Unquiet
As Bud Rollins
Savage Island
As Keith Young
Midnight Matinee
As Earle Gardner
Malone
As Buddy
Postcards From The Cast
As Self
Beauty's Revenge
As Sheriff
The Prisoner of Zenda, Inc.
As Colonel Zapf
Without a Kiss Goodbye
As Mr. Harper
Someone Else's Child
As Sherwin Francis
Secrets from Another Place: Creating Twin Peaks
Cadence
As Haig
Deadly Deception
As Coroner's Assistant
The Ranger, the Cook and a Hole in the Sky
As Mr. Smith
Dad's Week Off
As Hank
Volcano: Fire on the Mountain
As Mayor Bob Hart
Spot Marks the X
As Mr. Haskell
Tricks
As Man
Child of Mine
As Police Chief
Brothers of the Frontier
As Byron Holcomb
Miracle on Interstate 880
As Dave
Captive
As Deputy Mack
Shadow of a Doubt
As Kevin Carroll Sr.
A Family Divided
As Detective Larson
Deadly Little Secrets
As The Chief
The Limbic Region
As Chief Payne
The Stepsister
As Detective Church
Hook
As Dr. Fields
Chaindance
As Sergeant
A Dream is a Wish Your Heart Makes: The Annette Funicello Story
As Glen Holt
Black Fox
Mystery Date
As Doheny
Moving Through Time: Fire Walk With Me Memories
As Himself
Needful Things
As Reverend Rose
Blood River
As Congressman Howard K. Apples
The Angel of Pennsylvania Avenue
As Dewey
The Still Life
As Mr. Fernot
The Uninvited
As Mr. Henson
The 6th Day
As Cardinal de la Jolla
Memories of Murder
As Lt. Silk
Twin Peaks
As Maj. Garland Briggs
Cliffhanger
As Stuart
The Journey of Natty Gann
As Railroad Brakeman
Look Who's Talking
As Dr. Fleischer
Best in Show
As Mayflower Best in Show Judge
Hideaway
As Dr. Martin
Hostage Negotiator
As Alexander Daniels
I-Man
As Surgeon
Stakeout
As Prison Gate Guard
Suspicious River
As Golf Shirt Man
The Fan
As Stook
American Meltdown
As NRC Carl Mansfield
A League of Their Own
As Racine Coach Charlie
She Stood Alone: The Tailhook Scandal
Watchers
As Veterinarian
Con Air
As Man In Car
Stargate SG-1: Children of the Gods
As Major General George Hammond
Hero
As Probation Officer
Calendar Girl, Cop, Killer? The Bambi Bembenek Story
As McCann
Twin Peaks: The Missing Pieces
As Maj. Garland Briggs
Kidz in the Wood
As Principal
Posing: Inspired by Three Real Stories
As Philip Baywood
The Artist's Circle
Just Cause
As Thorton
The Dead Zone
As Senator Harlan Ellis
Northern Exposure
As Lloyd Hillegas
The Marshal
As Tiger Larkin
The Chris Isaak Show
As Del
The New Adventures of Beans Baxter
As Agent Ruck
Flash Gordon
As Mr. Mitchell
Knots Landing
As Warden Vernon Howard
L.A. Law
As Judge Richard Bartke
Joanie Loves Chachi
As Benny (as Don Totalmedia Davis)
21 Jump Street
As Principal Harris
Stargate SG-1
As George Hammond
Nightmare Cafe
As Sheriff Dan Filcher
Honey, I Shrunk the Kids: The TV Show
As Mr. Washington
The Outer Limits
As General Callahan
The X-Files
As Captain William Scully
The Twilight Zone
As Dr. Tate
In Cold Blood
As Roy Church
The West Wing
As Reverend Don Butler
Twin Peaks
As Garland Briggs
Bordertown
As Josiah Richmond
Booker
Broken Badges
As Chief Sterling
Wiseguy
As Dr. Morris
Stargate Atlantis
As Major General George Hammond
Viper
As Lloyd
Supernatural
As Trotter
Atomic Train
As General Harlan Ford
Andromeda
As Avineri
Highlander: The Series
As Palance
The Wonderful World of Disney
As Capcom
NCIS
As Control Officer
Psych
As Camden McCallum Sr.
Poltergeist: The Legacy
As Harold Taggart
MacGyver
As Cement Truck Driver
The Sentinel
As Wilton Fisker
J.J. Starbuck
As Electrician
Columbo
As Bertie