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John O'Leary

Acting
Updated: Apr 11, 2026
40Total Films
8.7 Highest Rated
Born: May 5, 1926
Birth Place: Newton, Massachusetts, USA

About John O'Leary

John O’Leary (born 5 May 1926 - died 5 June 2019) is an American actor.

John O'Leary Movies & Career Overview

The filmography of John O'Leary reflects a career marked by diverse experimentation. Across 40 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.

Dominant Genre

A large portion of John O'Leary's work falls within the Drama genre, where audiences tend to respond most strongly to their on-screen presence.

Success Ratio

Approximately 23% of John O'Leary's films maintain ratings above 6.5, indicating a consistent level of audience approval.

One of the most highly rated entries in their career remains Nero Wolfe, which stands out as a key performance.

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Best John O'Leary Movies Ranked

Must-watch hits from John O'Leary's career based on audience ratings.

Full Filmography

Every movie John O'Leary has appeared in, with audience ratings and verdicts.

YearMovieCharacterSuccessMore
2004 The Fallen Sal Flop Similar →
1999 Soccer Dog: The Movie Mr. Kremp Flop Similar →
1997 Waiting for the Passion Michael Super Hit Similar →
1996 My Fellow Americans Ben, Caretaker Average Similar →
1994 Guardian Angel Clayton Flop Similar →
1993 Distant Cousins Mr. Williams Average Similar →
1992 Majority Rule Farmer Freyberger Flop Similar →
1992 Waxwork II: Lost in Time Herr Vogel Flop Similar →
1991 For the Boys T.V. Censor, New York Average Similar →
1991 The Haunted Father Larson Average Similar →
1990 The Haunting of Morella Quintis Flop Similar →
1989 Stepfather 2 Sam Watkins Average Similar →
1988 A Time of Destiny Father Basil Flop Similar →
1988 Retreads - Flop Similar →
1987 Inside Out Arthur Harris Flop Similar →
1986 Stewardess School Older Man Flop Similar →
1986 My Chauffeur Giles Average Similar →
1984 The Last Starfighter Rylan Bursar Hit Similar →
1983 Confessions of a Married Man Principal Flop Similar →
1982 The Day the Bubble Burst - Flop Similar →
1980 Damien: The Leper Priest Father Leonor Flop Similar →
1980 Ghost of a Chance Minister Flop Similar →
1980 Airplane! Reporter #2 Hit Similar →
1980 The Island Doctor #1 Flop Similar →
1980 The Girl, the Gold Watch & Everything Hibber Flop Similar →
1980 Portrait of a Rebel: The Remarkable Mrs. Sanger Dr. Jessup Flop Similar →
1979 Nero Wolfe Theodore Horstmann Super Hit Similar →
1979 No Other Love Optician Hit Similar →
1978 Moment by Moment Pharmacist Flop Similar →
1978 Lassie: The New Beginning Jerry Bergan Flop Similar →
1977 Heroes Ticket Clerk Average Similar →
1977 First Love Waiter (uncredited) Flop Similar →
1977 Demon Seed Royce Average Similar →
1976 All the President's Men Attorney #1 Super Hit Similar →
1975 Farewell, My Lovely Marriott Hit Similar →
1975 A Moon for the Misbegotten T. Stedman Harder Average Similar →
1972 The Underground Movie (voice) Flop Similar →
1971 A New Leaf Desk Clerk (uncredited) Hit Similar →
1968 The Heart Is a Lonely Hunter Beaudine Hit Similar →
1966 The Group Put Blake Average Similar →

John O'Leary - Frequently Asked Questions

What is the best movie of John O'Leary?

According to audience ratings, the best movie starring John O'Leary is "Nero Wolfe" with a rating of 8.7/10.

How many movies has John O'Leary acted in?

John O'Leary has been featured in at least 40 major films throughout their career.

What are some other popular movies by John O'Leary?

Other notable films include "Waiting for the Passion", "All the President's Men", and "The Heart Is a Lonely Hunter".

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