How old was Clay O'Brien in…

Sorted by Release Date

Clay O'Brien was 14 in The Whiz Kid and the Carnival Caper

Movie Released: Sun, Jan 11 1976

Clay O'Brien was 14 in Mackintosh and T.J. as 'T.J.'.

Movie Released: Fri, Nov 21 1975

Clay O'Brien was 14 in The Apple Dumpling Gang as 'Bobby Bradley'.

Movie Released: Tue, Jul 01 1975

Clay O'Brien was 12 in Hog Wild as 'Sterling Melborne'.

Movie Released: Sun, Jan 20 1974

Clay O'Brien was 12 in The Whiz Kid and the Mystery at Riverton as 'Shoie'.

Movie Released: Sun, Jan 06 1974

Clay O'Brien was 12 in Cahill: United States Marshal as 'Billy Joe Cahill'.

Movie Released: Wed, Jul 11 1973

Clay O'Brien was 12 in One Little Indian as 'Mark'.

Movie Released: Wed, Jun 20 1973

Clay O'Brien was 11 in Climb an Angry Mountain as 'Michael Cooper'.

Movie Released: Sat, Dec 23 1972

Clay O'Brien was 10 in The Breaking of Boys and the Making of Men in 'The Cowboys'

Movie Released: Thu, Jan 13 1972

Clay O'Brien was 10 in The Cowboys as 'Cowboy Hardy Fimps'.

Movie Released: Thu, Jan 13 1972

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Clay O'Brien was 13+ in Little House on the Prairie

TV Show Released: First Air Date
Wed, Sep 11 1974

Clay O'Brien was 12+ in The Cowboys as 'Weedy'.

TV Show Released: First Air Date
Wed, Feb 06 1974

Clay O'Brien was 8+ in Marcus Welby, M.D. as 'Peter Graham'.

TV Show Released: First Air Date
Tue, Sep 23 1969

Clay O'Brien was 0+ in Gunsmoke as 'Tuttle Kincaid, Caleb Cunningham'.

TV Show Released: First Air Date
Sat, Sep 10 1955