Charles B. Fitzsimons (8 May 1924 – 14 February 2001) was an Irish actor who emigrated to the United States, where he became a film producer after ending his acting career.

[6] Upon their first meeting, Ford believed Fitzsimons would be right for the film role of Forbes in addition to his legal duties.

[6][7][8] Ford then proceeded to hire O'Hara's brother, James, for the role of Father Paul in the film.

James also worked at the Abbey in Dublin, but used his mother's maiden name of Lilburn as a professional name.

[6][10] In 1957, Maureen O'Hara sued Confidential magazine because of false accusations made about her.