
Acting
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. …

Tarzan: Lord of the Movies
as Tarzan (Archive Footage)
Salamat sa Alaala
as Self (archive footage)

Tarzan at the Movies, Part 2: The Many Faces of Tarzan
as Tarzan (archive footage)
The Making of the Stooges
as Self

When the West Was Fun: A Western Reunion
as Self

The Bad Bunch
as Sgt. Berry

Tarzan's Deadly Silence
as The Colonel

The Love Bug
as Driver

Bandolero!
as Stoner

The Glory Stompers
as Smiley

The Master
as Mark Richards · 1 ep.

Simon & Simon
as Oldtimer #1 in Saloon · 1 ep.

The Fall Guy
as Wild Dan Wilde · 1 ep.

B. J. and the Bear
2 ep.

Emergency!
as Hoyt Herrold · 2 ep.

The Streets of San Francisco
as Mr. Morley · 1 ep.

Banacek
as Albert Bates · 1 ep.

Kung Fu
as Davidson · 1 ep.

Hawaii Five-O
as Coley Bennett · 2 ep.

Batman
as H.L. Hunter · 1 ep.