How old was Clay O'Brien in…

Acting Roles

Crew Roles

Movies (Acting Roles)

Sorted by Release Date

The Whiz Kid and the Carnival Caper

Clay O'Brien was

14 in The Whiz Kid and the Carnival Caper

Sun, Jan 11 1976

Mackintosh and T.J.

Clay O'Brien was

14 in Mackintosh and T.J.

as 'T.J.'.

Fri, Nov 21 1975

The Apple Dumpling Gang

Clay O'Brien was

14 in The Apple Dumpling Gang

as 'Bobby Bradley'.

Tue, Jul 01 1975

Hog Wild

Clay O'Brien was

12 in Hog Wild

as 'Sterling Melborne'.

Sun, Jan 20 1974

The Whiz Kid and the Mystery at Riverton

Clay O'Brien was

12 in The Whiz Kid and the Mystery at Riverton

as 'Shoie'.

Sun, Jan 06 1974

Cahill: United States Marshal

Clay O'Brien was

12 in Cahill: United States Marshal

as 'Billy Joe Cahill'.

Wed, Jul 11 1973

One Little Indian

Clay O'Brien was

12 in One Little Indian

as 'Mark'.

Wed, Jun 20 1973

Climb an Angry Mountain

Clay O'Brien was

11 in Climb an Angry Mountain

as 'Michael Cooper'.

Sat, Dec 23 1972

The Breaking of Boys and the Making of Men in 'The Cowboys'

Clay O'Brien was

10 in The Breaking of Boys and the Making of Men in 'The Cowboys'

Thu, Jan 13 1972

The Cowboys

Clay O'Brien was

10 in The Cowboys

as 'Cowboy Hardy Fimps'.

Thu, Jan 13 1972

TV Shows (Acting Roles)

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

Little House on the Prairie

Clay O'Brien was

13+ in Little House on the Prairie

First Air Date
Wed, Sep 11 1974

The Cowboys

Clay O'Brien was

12+ in The Cowboys

as 'Weedy'.

First Air Date
Wed, Feb 06 1974

Marcus Welby, M.D.

Clay O'Brien was

8+ in Marcus Welby, M.D.

as 'Peter Graham'.

First Air Date
Tue, Sep 23 1969

Gunsmoke

Clay O'Brien was

0+ in Gunsmoke

as 'Tuttle Kincaid, Caleb Cunningham'.

First Air Date
Sat, Sep 10 1955