John O'Leary
- Known for
- Acting
- Born
- May 5, 1926
- Died
- June 5, 2019
- Birthplace
- Newton, Massachusetts, USA
John O’Leary (born 5 May 1926 - died 5 June 2019) is an American actor.
Filmography

The Fallen 2004
as Sal

Soccer Dog: The Movie 1999
as Mr. Kremp

Waiting for the Passion 1997
as Michael

My Fellow Americans 1996
as Ben, Caretaker

Guardian Angel 1994
as Clayton

Distant Cousins 1993
as Mr. Williams

Majority Rule 1992
as Farmer Freyberger

Waxwork II: Lost in Time 1992
as Herr Vogel

For the Boys 1991
as T.V. Censor, New York

The Haunted 1991
as Father Larson

The Haunting of Morella 1990
as Quintis

Stepfather 2 1989
as Sam Watkins

A Time of Destiny 1988
as Father Basil

Retreads 1988
Actor

Inside Out 1987
as Arthur Harris

Stewardess School 1986
as Older Man

My Chauffeur 1986
as Giles

The Last Starfighter 1984
as Rylan Bursar

Confessions of a Married Man 1983
as Principal

The Day the Bubble Burst 1982
Actor
- Damien: The Leper Priest
Damien: The Leper Priest 1980
as Father Leonor

Ghost of a Chance 1980
as Minister

Airplane! 1980
as Reporter #2

The Girl, the Gold Watch & Everything 1980
as Hibber

The Island 1980
as Doctor #1

Portrait of a Rebel: The Remarkable Mrs. Sanger 1980
as Dr. Jessup

Nero Wolfe 1979
as Theodore Horstmann

No Other Love 1979
as Optician

Moment by Moment 1978
as Pharmacist

Lassie: The New Beginning 1978
as Jerry Bergan

Heroes 1977
as Ticket Clerk

First Love 1977
as Waiter (uncredited)

Demon Seed 1977
as Royce

All the President's Men 1976
as Attorney #1

Farewell, My Lovely 1975
as Marriott

A Moon for the Misbegotten 1975
as T. Stedman Harder

The Underground Movie 1972
as (voice)

A New Leaf 1971
as Desk Clerk (uncredited)

The Heart Is a Lonely Hunter 1968
as Beaudine

The Group 1966
as Put Blake

Julius Caesar 1950
as Marullus
Credits from TMDB.