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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.
Birth Name
Jacques O'Mahoney
Born
Friday, 07 February 1919
Died
Thursday, 14 December 1989
Actor Filmography
| Title | Character | Year |
|---|
| Hey Moe, Hey Dad! | Various characters | 2015 |
| TV's Western Heroes | Yancy Derringer | 2013 |
| The Master | Mark Richards | 1984 |
| The Making of The Stooges | Self - Interviewee | 1984 |
| The A-Team | The Range Rider | 1983 |
| Simon & Simon | Oldtimer #1 in Saloon | 1981 |
| The Fall Guy | Wild Dan Wilde / Yancy Derringer / Gus Flint | 1981 |
| Stuntman's Rodeo | Jock Mahoney | 1981 |
| B.J. and the Bear | Jason T. Willard / Angus Wainsley | 1978 |
| The End | Old Man | 1978 |
Actor Filmography
| Title | Character | Year |
|---|
| Hey Moe, Hey Dad! | Various characters | 2015 |
| TV's Western Heroes | Yancy Derringer | 2013 |
| The Master | Mark Richards | 1984 |
| The Making of The Stooges | Self - Interviewee | 1984 |
| The A-Team | The Range Rider | 1983 |
| Simon & Simon | Oldtimer #1 in Saloon | 1981 |
| The Fall Guy | Wild Dan Wilde / Yancy Derringer / Gus Flint | 1981 |
| Stuntman's Rodeo | Jock Mahoney | 1981 |
| B.J. and the Bear | Jason T. Willard / Angus Wainsley | 1978 |
| The End | Old Man | 1978 |
| Tom | Sgt. Berry | 1973 |
| The Streets of San Francisco | Mr. Morley / Off. Mel Shaffer | 1972 |
| Banacek | Albert Bates | 1972 |
| Kung Fu | Davidson | 1972 |
| Emergency! | Hoyt Herrold / Lee | 1972 |
| Tarzan's Deadly Silence | The Colonel | 1970 |
| The Love Bug | Driver | 1968 |
| Hawaii Five-O | Coley Bennett | 1968 |
| Bandolero! | Stoner | 1968 |
| The Glory Stompers | Smiley | 1967 |
| Once Before I Die | Major | 1966 |
| Tarzan | The Colonel / Chambers / Hoby Wallington | 1966 |
| Batman | Leo / H.L. Hunter | 1966 |
| Moro Witch Doctor | CIA Agent Jefferson Stark / Jefferson Stark | 1964 |
| Daniel Boone | O'Connor | 1964 |
| Intramuros | Lt. Jim Sorenson | 1964 |
| Marine Battleground | Nick Rawlins | 1963 |
| California | Don Michael O'Casey | 1963 |
| Tarzan's Three Challenges | Tarzan | 1963 |
| Tarzan Goes to India | Tarzan | 1962 |
| Three Blondes in His Life | Duke Wallace | 1961 |
| The Mike Douglas Show | Himself - Actor | 1961 |
| Gunslinger | Halsey Roland | 1961 |
| Here's Hollywood | Self | 1960 |
| Tarzan the Magnificent | Coy Banton | 1960 |
| Laramie | Sam Willet / Clay Jackson | 1959 |
| Rawhide | Captain Brian Donahoe / Vance | 1959 |
| 77 Sunset Strip | Barry James | 1958 |
| Yancy Derringer | Yancy Derringer | 1958 |
| Money, Women and Guns | 'Silver' Ward Hogan | 1958 |
| A Time to Love and a Time to Die | Immerman | 1958 |
| The Last of the Fast Guns | Brad Ellison | 1958 |
| Slim Carter | Slim Carter aka Hugh Mack / Slim Carter aka Hughie Mack | 1957 |
| Joe Dakota | Joe Dakota | 1957 |
| Wagon Train | Dan Hogan | 1957 |
| The Land Unknown | Commander Alan Roberts / Commander Harold 'Alan' Roberts | 1957 |
| Battle Hymn | Maj. Frank Moore | 1957 |
| Showdown at Abilene | Jim Trask | 1956 |
| Away All Boats | Alvick | 1956 |
| I've Lived Before | John Bolan / Lt. Peter Stevens | 1956 |
| A Day of Fury | Marshal Allan Burnett | 1956 |
| The Millionaire | Vance Ludlow | 1955 |
| The Magical World of Disney | Driver | 1954 |
| Knutzy Knights | Cedric the Blacksmith | 1954 |
| Gunfighters of the Northwest | Sgt. Joe Ward / Joe Ward | 1954 |
| Overland Pacific | Ross Granger | 1954 |
| The Loretta Young Show | Andy Hagen / Dan O'Hara / Ernie McNally / Jim Vessey / Kim Ryan / Mike Elliott | 1953 |
| Private Secretary | Bradley Hunter | 1953 |
| The Kid from Broken Gun | Jack Mahoney (as Jack Mahoney) / Jack Mahoney | 1952 |
| Junction City | Jack Mahoney (as Jack Mahoney) / Jack Mahoney | 1952 |
| The Rough, Tough West | Big Jack Mahoney | 1952 |
| Laramie Mountains | Swift Eagle / Swift Eagle (as Jack Mahoney) | 1952 |
| Death Valley Days | Sal aka Swamper Ike / Andy Prentis | 1952 |
| The Hawk of Wild River | Jack Mahoney (as Jack Mahoney) / Jack Mahoney | 1952 |
| Smoky Canyon | Jack Mahoney | 1952 |
| Pecos River | Jack Mahoney | 1951 |
| The Lady and the Bandit | Tavern Troublemaker | 1951 |
| The Texas Rangers | Duke Fisher | 1951 |
| Roar of the Iron Horse - Rail-Blazer of the Apache Trail | Jim Grant (as Jock O'Mahoney) / Jim Grant | 1951 |
| The Range Rider | The Range Rider / The Range Rider (as Jack Mahoney) / Range Rider / Curt Manning | 1951 |
| Santa Fe | Crake (as Jock O'Mahoney) / Crake | 1951 |
| Lightning Guns | Sheriff Rob Saunders / Sheriff Rob Saunders (as Jock O'Mahoney) | 1950 |
| Frontier Outpost | Lieutenant Peck | 1950 |
| The Kangaroo Kid | Tex Kinnane | 1950 |
| David Harding, Counterspy | Brown | 1950 |
| Texas Dynamo | Bill Beck (as Jock O'Mahoney) / Bill Beck | 1950 |
| Hoedown | Stoney Rhodes | 1950 |
| Cow Town | Tod Jeffreys (as Jock O'Mahoney) / Tod Jeffreys | 1950 |
| Cody of the Pony Express | Lt. Jim Archer / Jim Archer | 1950 |
| The Nevadan | Sandy (as Jock O'Mahoney) / Sandy | 1950 |
| Punchy Cowpunchers | Elmer | 1950 |
| Renegades of the Sage | Lt. Hunter (as Jock O'Mahoney) / Lt. Hunter | 1949 |
| Horsemen of the Sierras | Bill Grant | 1949 |
| Bandits of El Dorado | Tim Starling | 1949 |
| Fuelin' Around | Guard | 1949 |
| Rim of the Canyon | Pete Reagan (as Jock O'Mahoney) / Pete Reagan | 1949 |
| The Blazing Trail | Full-House Patterson (as Jock O'Mahoney) / Full-House Patterson | 1949 |
| The Doolins of Oklahoma | Tulsa Jack Blake / Tulsa Jack Blake (as Jack O'Mahoney) | 1949 |
| Smoky Mountain Melody | Buckeye | 1948 |
| Triple Threat | Football Player | 1948 |
| Blazing Across the Pecos | Reports Indian Raid | 1948 |
| Squareheads of the Round Table | Cedric the Blacksmith | 1948 |
| The Swordsman | Clansman Messenger | 1948 |
| The Stranger from Ponca City | Henchman Tensleep | 1947 |
| Swing the Western Way | Chief Iron Stomach | 1947 |
| Out West | The Arizona Kid / Arizona Kid | 1947 |
| Over the Santa Fe Trail | Sheriff | 1947 |
| South of the Chisholm Trail | Henchman | 1947 |
| The Fighting Frontiersman | Henchman Waco | 1946 |
| Son of the Guardsman | Captain Kenley | 1946 |
