Guy Harry Stockwell (November 16, 1934 – February 6, 2002) was an American actor who appeared in nearly 30 movies and 250 television series episodes. Stockwell was born in Hollywood, California, the son of Nina Olivette (née Elizabeth Margaret Veronica), an actress and dancer, and Harry Bayless Stockwell, or Harry Stockwell, an actor and singer. The older brother of Dean Stockwell, he had roles in many television shows, including Simon & Simon, Knight Rider, Tales of the Gold Monkey, Magnum, P.I., Murder, She Wrote, Columbo, Quantum Leap, Bonanza, Tombstone Territory, Combat! The Richard Boone Show, and Return to Peyton Place, He also had important roles in several major motion pictures including The War Lord (1965), Blindfold (1965), Beau Geste (1966) and Tobruk (1967). Description above from the Wikipedia article Guy Stockwell, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Tobruk
(Lt. Max Mohnfeld)
Airport 1975
(Colonel Moss)
It's Alive
(Bob Clayton)
The War Lord
(Draco)
The Gatling Gun
(Lt. Wayne Malcolm)
The Disappearance of Flight 412
(Lt. Col. Trottman)
Please Don't Eat the Daisies
(Young Man (uncredited))
Santa Sangre
(Orgo)
Forty Days of Musa Dagh
The Monitors
(Harry Jordan)
Sword of Zorro
(Don Diego Ortiz / Zorro)
Beau Geste
(Beau Geste)
The Plainsman
(Buffalo Bill Cody)
In Enemy Country
(Braden)
The King's Pirate
(John Avery)
Grotesque
(Orville Kruger)
The Sound of Anger
(Brad Darrell)
Banning
(Jonathan Linus)
Blindfold
(James Fitzpatrick)
Interview with Pontius Pilate
(Pontius Pilate)
The Mighty McGurk
(Kid)
Everybody's Baby: The Rescue of Jessica McClure
(Jones)
And Now Miguel
(George Perez)
The Ballad of Hector the Stowaway Dog
(Max)
Burned at the Stake
(Dr. Grossinger)
Unspeakable Acts
(Dr. Underwager)
Murder, She Wrote
(Dorn Van Stotter)
Magnum, P.I.
(Dick McWilliams)
CHiPs
(Paul Everett)
Columbo
(Club Owner)
The Gallant Men
T. J. Hooker
(Zack Pappas)
The F.B.I.
(Jerry Rivers)
Matlock
Simon & Simon
Knight Rider
(Riggins)
Quincy, M.E.
The Streets of San Francisco
Land of the Giants
(Garak)
How the West Was Won
Mannix
Surfside 6
The Mod Squad
Tales of the Gold Monkey
Quantum Leap
(Jake Edwards)
Gunsmoke
(Lee)
Perry Mason
(Jimmy Meacham)
Voyagers!
The Wild Wild West
Harry O
Lanigan's Rabbi
Police Story
Lancer
Adventures in Paradise
(Chris Parker)
Lock-Up
The Richard Boone Show
The Roaring 20's
The Eddie Capra Mysteries
Primus
Murder, She Wrote
(Elmo Banner)
Murder, She Wrote
(Ret. Det. Bert Kravitz)
Gunsmoke
(Sandy King)
Knight Rider
(Zachary Sloate)
Bonanza
(John Deegan)