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 ...

Columbia Pictures elevated stunt man Jock O'Mahoney to stardom in this 15 chapter western serial about the building of the transcontinental railroad. O'Mahoney played a railroad agent who uncovers the ...

Gene Autry's horse "Champion" (Champion) is stolen by escaped convicts Jake Fargon (Walter Sande), Pete Reagon (Jock Mahoney) and Charlie Lewis (Francis McDonald). Twenty years earlier Fargo and Lewis ...