Biography
Gary Fred Merrill (August 2, 1915 – March 5, 1990) was an American film and television character actor whose credits included more than fifty feature films, a half-dozen mostly short-lived TV series, and dozens of television guest appearances.
Description above from the Wikipedia article Gary Merrill, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Cast Credits

The Seekers
Character: Capt. Hull
MOVIE • 1979

The Littlest Hobo
Character: Willie Brogan
TV • 1979

World of Darkness
Character: Dr. Thomas Madsen
MOVIE • 1977

Thieves
Character: Street Man
MOVIE • 1977

For Liberty and Union
Character: Self - Narrator (voice)
MOVIE • 1977
The Zodiac Murders
Character:
MOVIE • 1975

Movin' On
Character:
TV • 1974

Huckleberry Finn
Character: Pap
MOVIE • 1974

Murder and the Computer
Character: Gordon Craig
MOVIE • 1973

The Murderers
Character:
MOVIE • 1973

Pueblo
Character: Adm. Thomas E. Moorer
MOVIE • 1973

Kung Fu
Character: Dan Hoyle
TV • 1972

Earth II
Character: Walter Dietrich
MOVIE • 1971

Young Dr. Kildare
Character: Dr. Leonard Gillespie
TV • 1971

Cannon
Character:
TV • 1971
Secret of the Sacred Forest
Character: Mike Parks
MOVIE • 1970

Medical Center
Character:
TV • 1969

Marcus Welby, M.D.
Character: Orlando 'Cord' Corday
TV • 1969

Loving Badly
Character:
MOVIE • 1969

Then Came Bronson
Character: Inspector Otis
MOVIE • 1969