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.
After a stint with the Marine Corps., he used his GI bill income to train at the Neighborhood Playhouse in NYC. Throughout the early 1950s, he was frequently seen on TV. The highlight of his stage career was a national tour of A Streetcar Named Desire as Stanley Kowalski, opposite Tallulah Bankhead as Blanche DuBois. O'Loughlin appeared in three episodes of Hawaii 50. The first was aired January 29, 1969 in an episode called "The Box". The second was called "Six Kilos" on March 12, 1969, and the third was called "A Time to Die" on September 16, 1970. He also appeared on Cannon February 22, 1972 in an episode called "Flight of the Hawks". From 1972-1976, O'Loughlin appeared as Lieutenant Ed Ryker on The Rookies. He has also appeared in semi-regular roles on the series Our House and Automan.
His movie credits include Desperate Characters, A Fine Madness, In Cold Blood, Ice Station Zebra, The Valachi Papers, Twilight's Last Gleaming and Crimes of Passion and Frances. He also
(This is information generated from a Wikipedia article, licensed under the GNU Free Documentation License.)