ActorMay 5, 1926 – Jun 5, 2019 (aged 93)Newton, Massachusetts, USA

John O'Leary

On September 30, 2026

—most popular person online

0.0Attention Score

John O'Leary

Known ForActing

BornMay 5, 1926

Rankings

Daily Attention Score rankings for John O'Leary

Current—On Sep 30, 20260.0 score 1-Year—Sep 2025 – Sep 2026 All-Time Peak—

John O'Leary Top TV Shows

John O'Leary's shows ranked by Attention Score

Dexter

Bishop · 1 ep · 2006 – 2013

Buffy the Vampire Slayer

Buffy the Vampire Slayer

Kaltenbach · 1 ep · 1997 – 2003

Buffy the Vampire Slayer

Buffy the Vampire Slayer

Council Member · 1 ep · 1997 – 2003

Law & Order

Ronny Napoli · 1 ep · 1990 – Present

Brooklyn Nine-Nine

Brooklyn Nine-Nine

Franklin · 1 ep · 2013 – 2021

Desperate Housewives

Desperate Housewives

Mr. Scully · 1 ep · 2004 – 2012

Curb Your Enthusiasm

Curb Your Enthusiasm

Jim O'Malley · 1 ep · 2000 – 2024

Frasier

Old Niles · 1 ep · 1993 – 2004

The Golden Girls

The Golden Girls

Mr. Ninervini · 1 ep · 1985 – 1992

Dr. Quinn, Medicine Woman

Dr. Quinn, Medicine Woman

Judge · 2 ep · 1993 – 1998

Scandal

Terry · 1 ep · 2012 – 2018

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Cranky Old Man · 1 ep · 2000 – 2015

Jane the Virgin

Jane the Virgin

Old Man · 1 ep · 2014 – 2019

Xena: Warrior Princess

Xena: Warrior Princess

Antonius · 1 ep · 1995 – 2001

Baskets

Elderly Man · 1 ep · 2016 – 2019

Baskets

Edwin · 2 ep · 2016 – 2019

televisionstats.com

John O'Leary Top Movies

John O'Leary's movies ranked by Attention Score

Airplane!

Reporter #2 · 1980

All the President's Men

All the President's Men

Attorney #1 · 1976

The Last Starfighter

The Last Starfighter

Rylan Bursar · 1984

Demon Seed

My Chauffeur

My Fellow Americans

My Fellow Americans

Ben, Caretaker · 1996

A New Leaf

Desk Clerk (uncredited) · 1971

For the Boys

T.V. Censor, New York · 1991

Waxwork II: Lost in Time

Waxwork II: Lost in Time

Herr Vogel · 1992

A Time of Destiny

A Time of Destiny

Father Basil · 1988

televisionstats.com

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