

Acting
Patrick O'Neal (September 26, 1927 – September 9, 1994) was an American television, stage and film actor. He was also a successful New York restaurateur. Description above from the Wikipedia article Patrick O'Neal, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Highest rated appearances

New York Stories
as Phillip Fowler

Maigret
as Kevin Portman

Like Father Like Son
as Dr. Larry Armbruster

Perry Mason Returns
as Arthur Gordon

The Stuff
as Fletcher

Spraggue
as Dr. Miles Richards
Kelsey's Son

Fantasies
as John Webber

Make Me an Offer
as Pete Strickland

Like Mom, Like Me
as Phillip Stanford

To Kill a Cop
as Police Commissioner

The Last Hurrah
as Norman Cass

Sharon: Portrait of a Mistress
as Ed Dowling

The Deadliest Season
as Bertram Fowler

Independence
as George Washington

Twin Detectives
as Leonard Rainier

The Killer Who Wouldn't Die
as Commissioner Pat Moore

Crossfire
as Lane Fielding

The Stepford Wives
as Dale Coba

To Kill the King
as David Howard

Once the Killing Starts
as Michael Lane

The Way We Were
as George Bissinger

Night of the Dark Full Moon
as John Carter

Corky
as Randy

El Condor
as Chavez

The Kremlin Letter
as Charles Rone

Stiletto
as George Baker

Castle Keep
as Capt. Lionel Beckman

Companions in Nightmare
as Jeremy Siddack

The Secret Life of an American Wife
as Tom Layton

Where Were You When the Lights Went Out?
as Peter Garrison

Assignment to Kill
as Richard Cutting

Matchless
as Perry 'Matchless' Liston

Lionpower from MGM
as Self - Peter Garrison (archive footage) (uncredited)

Chamber of Horrors
as Jason Cravatte

Alvarez Kelly
as Maj. Albert Stedman

A Fine Madness
as Dr. Oliver West

King Rat
as Max

In Harm's Way
as Commander Neal Owynn

The Cardinal
as Cecil Turner
A Matter of Morals
as Alan Kennebeck

From the Terrace
as Dr. Jim Roper