How old was Robert C. O'Brien in…

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Robert C. O'Brien was ? in Z for Zachariah as 'Novel'.

Movie Released: Thu, Aug 13 2015

Robert C. O'Brien was ? in Z for Zachariah as 'Novel'.

Movie Released: Tue, Feb 28 1984

Robert C. O'Brien was ? in The Secret of NIMH as 'Novel'.

Movie Released: Thu, Jun 17 1982

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

Robert C. O'Brien was ? in The Danny Thomas Show as 'Writer'.

TV Show Released: First Air Date
Tue, Sep 29 1953