Born in Chicago, Illinois, USA — Feb 07 1919• Died Dec 14 1989

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, fli…
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Leo

Hoyt Herrold

Coley Bennett

Oldtimer #1 in Saloon

Captain Brian Donahoe

O'Connor

Wild Dan Wilde

Barry James


Hoby Wallington

Albert Bates

Vance Ludlow

Yancy Derringer


Andy Hagen

Mark Richards

Halsey Roland

Driver

Stoner

Crew

The Range Rider

Brad Ellison

Crew

The Stranger

Crew

Tulsa Jack Blake

Crew

Self

Davidson


Slim Carter (Hugh Mack)

Sandy

Maj. Frank Moore

Tavern Troublemaker

Crew

Crew

Jim Grant

Crew

'Silver' Ward Hogan

Coy Banton

Commander Harold 'Alan' Roberts

Marshal Allan Burnett

Crake

Rob Saunders

Duke Fisher

Bill Beck

Arizona Kid

Immerman

Captain Kenley (uncredited)

Tim Starling (uncredited)

Jim Trask

Tarzan

Tex Kinnane

Jack Mahoney

Tarzan (Archive Footage)

The Colonel

Guard

Elmer

Sgt. Berry

Tarzan (archive footage)

Joe Ward

John Bolan / Lt. Peter Stevens

Lieutenant Peck (uncredited)

Tarzan

Ross Granger

Lt. Jim Sorenson

Jim Archer

Jack Mahoney

Jefferson Stark

Cedric the Blacksmith

Full-House Patterson

Cedric the Blacksmith

Bill Grant

Randy Minola

Don Michael O'Casey

Jack Mahoney
Self (archive footage)

Waco (uncredited)

Duke Wallace

Swift Eagle

Pete Reagan

Big Jack Mahoney

Jack Mahoney

Stoney Rhodes

Tod Jeffreys
Self

Jack Mahoney

Henchman Tensleep (uncredited)

Lieutenant Hunter

Smiley