Gerald Stuart O'Loughlin, Jr. (b. December 23, 1921, New York City) is an American television, stage, and film actor and director who was primarily known for playing tough-talking and rough-looking characters. Description above from the Wikipedia article Gerald S. O'Loughlin, licensed under CC-BY-SA, full list of contributors on Wikipedia.
A Hatful of Rain
(Chuch)
Cop Hater
(Detective Mike Maguire)
City Heat
(Counterman Louie)
Ice Station Zebra
(Lt. Cdr. Bob Raeburn)
In Cold Blood
(Harold Nye)
The Organization
(Jack Pecora)
Twilight's Last Gleaming
(Brig. Gen. O'Rourke)
Riot
(Grossman)
Desperate Characters
(Charlie)
The Secret Kingdom
(Chartwell)
Lovers and Lollipops
(Larry)
A Love Affair: The Eleanor and Lou Gehrig Story
(Joe McCarthy)
Pleasure Palace
(Benny Marfo)
The Two Worlds of Charlie Gordon
(Joe)
Child's Cry
(Sam Van Buren)
The D.A.: Murder One
(Sgt. Andrushian)
Crime of the Century
(Commissioner O'Ryan)
Something for Joey
(John Cappelletti Sr)
Quicksilver
(Mr. Casey)
The Crash of Flight 401
(Larry Cross)
Ensign Pulver
(LaSueur)
Murder at the World Series
(Moe Gold)
Crimes of Passion
(Ben (uncredited))
In the Arms of a Killer
(Art Seidensticker)
The Valachi Papers
(Ryan, federal agent)
Perry Mason: The Case of the Notorious Nun
(Monsignor Kyser)
Dan August: Once Is Never Enough
(Dominic Lazar)
Frances
(Lobotomy Doctor)
Brothers-in-Law
(Bud Oliver)
A Matter of Life and Death
(Mr. Duffy)
Wilson's Reward
(Ginger Ted Wilson)
Detour to Terror
(Martin Brain)
Murder, She Wrote
(Ben Oliver)
Titans
M*A*S*H
(General Schwerin)
The Rookies
(Lt. Ed Ryker)
Trapper John, M.D.
T. J. Hooker
(Don Burnett)
The Division
Fame
The F.B.I.
(Carl Munger)
Judging Amy
(Mr. Sadler)
Simon & Simon
Hawaii Five-O
(Charlie Swanson)
Quincy, M.E.
Highway to Heaven
Naked City
(Mr. Hackett)
Room 222
Charlie's Angels
(Jake Webner)
Mannix
Gunsmoke
(Grant Shay)
Mission: Impossible
(Bert Gordon)
Cannon
Cover Up
Chicago Hope
Going My Way
Felony Squad
Run for Your Life
(Ralph Bronson / Timothy)
Cimarron Strip
Jessica Novak
Matt Houston
Then Came Bronson
Automan
(Cpt. E.G. Boyd)
Our House
(Joe Kaplan)
Judd for the Defense
The Philco Television Playhouse
Ben Casey
Suspense
Dr. Kildare
(Gus Pochek)
The Asphalt Jungle
Kraft Mystery Theatre
The Eddie Capra Mysteries
The Green Hornet
(Ben Wade)
Nichols
(Roarke)
The F.B.I.
(Victor Kiley)
The F.B.I.
(Larry Kulhane)
Murder, She Wrote
(Capt. Joe Rawlings)
Code Red
Roots: The Next Generations
(Capt. Bowker)
Blind Ambition
(John J. 'Jack' Caufield)
Hawaii Five-O
(Sam Kavanaugh)
Murder, She Wrote
(Father Timothy)
The Blue and the Gray
(Sergeant O'Toole)
Women in White
(Richard Payson)
12 O'Clock High
(Maj. Joe Morse)
Wheels
(Rusty Horton)
Dan August
(Dominic Lazar)
Ironside
(Lt. Jimmy Burwell)
ER
(George)
Murder, She Wrote
(Ray Kravitz)