Jacques Joseph O'Mahoney, known professionally as Jock Mahoney, was an American actor and stuntman. He starred in two Western television series, The Range Rider and Yancy Derringer. He played Tarzan in two feature films and was associated in various capacities with several other Tarzan productions. He was sometimes credited as Jack O'Mahoney or Jock O'Mahoney. Jock entered the University of Iowa in Iowa City and excelled at swimming and diving, but dropped out to enlist in the United States Marine Corps when World War II began. He served as a pilot, flight instructor, and war correspondent. After his discharge from the Marine Corps, Mahoney moved to Los Angeles, and for a time was a horse breeder. However, he soon became a movie stuntman, doubling for Gregory Peck, Errol Flynn, and John Wayne. Most of Mahoney's films of the late 1940s and early 1950s were produced by Columbia Pictures. Like many Columbia contract players, Mahoney worked in the studio's two-reel comedies. Beginning i...
The Rough, Tough West
1952
Frontier Outpost
1950
The Doolins of Oklahoma
1949
The Last of the Fast Guns
1958
Overland Pacific
1954
Gunfighters of the Northwest
1954
Tarzan's Deadly Silence
1970
Punchy Cowpunchers
1950
The Hawk of Wild River
1952
When the West Was Fun: A Western Reunion
1979
Lightning Guns
1950
Bandolero!
1968
Showdown at Abilene
1956
Hoedown
1950
The Love Bug
1968
The Kid from Broken Gun
1952
Three Blondes In His Life
1961
The Stranger From Ponca City
1947
Tarzan Goes to India
1962
Tarzan the Magnificent
1960
Santa Fe
1951
Slim Carter
1957
Away All Boats
1956
Away All Boats
1956
Renegades of the Sage
1949
Joe Dakota
1957
Cody of the Pony Express
1950
Battle Hymn
1957
Junction City
1952
Tarzan's Three Challenges
1963
Bandits of El Dorado
1949
Runaway Girl
1965
Smoky Canyon
1952
Rim of the Canyon
1949
The Walls of Hell
1964
The Nevadan
1950
Money, Women and Guns
1958
The Lady and the Bandit
1951
A Time to Love and a Time to Die
1958