Gerald S. O'Loughlin
Gerald Stuart O'Loughlin Jr. (December 23, 1921 – July 31, 2015) was an American television, stage, and film actor and director who was primarily known for playing tough-talking and rough-looking characters. He is best known for his role as Ed Ryker on The Rookies (1972-1976). Description above from the Wikipedia article Gerald S. O'Loughlin, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
ER
Murder, She Wrote
Mannix
Ironside
Hawaii Five-O
Chicago Hope
M*A*S*H
Mission: Impossible
Quincy, M.E.
Charlie's Angels
Judging Amy
The F.B.I.
Dr. Kildare
T. J. Hooker
The Division
Cannon
Simon & Simon
Ben Casey
Naked City
Highway to Heaven
The Philco Television Playhouse
Trapper John, M.D.
Fame
The Rookies
Matt Houston
Cimarron Strip
Gunsmoke
Run for Your Life
Then Came Bronson
Felony Squad