Clay O'Brien

Clay O'Brien Profile Photo

Characters played by Clay O'Brien

Billy Joe Cahill — Cahill: United States Marshal (1973)

J.D. Cahill's younger son, who is growing up largely without his father and is protected by his older brother, Daniel. He hides money connected to the robbery, apparently hoping it can be returned, and is threatened and hurt by men seeking it. He later attempts to pay Fraser's share of the loot, and J.D. promises to spend time with him once he recovers.

Bobby Bradley — The Apple Dumpling Gang (1975)

Likely a younger minor character or relative, appears briefly in background scenes.

T.J. — Mackintosh and T.J. (1975)

A fourteen-year-old boy who has left his single mother and hopes to work his way to the Pacific Ocean. Mackintosh protects him when he is about to steal an apple and gives him a ride; after they reunite at a bar, the two become companions. T.J. works at the 6666 Ranch before leaving with Mackintosh for the coast.

Shoie — The Whiz Kid and the Mystery at Riverton (1974)

A supporting character listed in the Riverton mystery; no specific traits or actions are provided.

Career Overview

Clay O'Brien has 13 screen credits in a career dating back to 1969. Their work spans 2 cinematic universes — most prominently The Whiz Kid with 2 titles. Signature works include Mackintosh and T.J., The Whiz Kid and the Carnival Caper, Hog Wild. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For
Acting
Gender
male
Known Credits
13
Birth Date
1961-05-06
Birth Place
Ray, Arizona, USA

Known For

Associated Universes

Universe traveler — spans 2 universes

Frequent Collaborators

Credits