1982-1984
The Fall Guy
(TV Series)
Wild Dan Wilde / Yancy Derringer / Gus Flint
1972-1973
Emergency!
(TV Series)
Hoyt Herrold / Lee
-
Boot
(1973)
... Hoyt Herrold
1972
Banacek
(TV Series)
Albert Bates
1966-1968
Batman
(TV Series)
Leo / H.L. Hunter
1966-1967
Tarzan
(TV Series)
The Colonel / Chambers / Hoby Wallington
1960-1961
Laramie
(TV Series)
Sam Willet / Clay Jackson
1960-1961
Rawhide
(TV Series)
Captain Brian Donahoe / Vance
1954
Knutzy Knights
(Short)
Cedric the Blacksmith (as Jacques O'Mahoney)
1951-1953
The Range Rider
(TV Series)
The Range Rider / Range Rider / Curt Manning
1950
Hoedown
Stoney Rhodes (as Jock O'Mahoney)
1950
Cow Town
Tod Jeffreys (as Jock O'Mahoney)
1947
Out West
(Short)
The Arizona Kid (as Jacques O'Mahoney)
1952
Smoky Canyon
(stunt double: Charles Starrett - uncredited)
1951
Pecos River
(stunt double: Charles Starrett - uncredited)
1951
Bonanza Town
(stunt double: Charles Starrett - uncredited)
1951
Santa Fe
(stunt coordinator - uncredited) / (stunt double Randolph Scott - uncredited) / (stunts - uncredited)
1950
Short Grass
(stunt double Rod Cameron - uncredited)
1950
Kim
(stunt double Errol Flynn - uncredited)
1950
Cow Town
(stunt double: Steve Darrell - uncredited)
1950
The Nevadan
(stunt double: Randolph Scott - uncredited)
1950
Montana
(stunt double Errol Flynn - uncredited)
1948
Yellow Sky
(stunt double: Gregory Peck - uncredited)
1948
Coroner Creek
(stunt double: George MacCready - uncredited) / (stunt doubleRandolph Scott and Forrest Tucker - uncredited)
1948
Six-Gun Law
(stunt double: Charles Starrett - uncredited)
1946
Landrush
(stunt double - uncredited)