William Prince

William LeRoy Prince (January 26, 1913 – October 8, 1996) was an American actor who appeared in numerous soap operas and made dozens of guest appearances on primetime series as well as playing villains in movies like The Gauntlet and Spontaneous Combustion. Description above from the Wikipedia article William Prince, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Cast

Bronco Billy
Edgar Lipton

Fire Sale
Mr. Cooper (uncredited)

Network
Edward George Ruddy

Joe Dancer III: The Big Trade
Asa Lamar

Dead Reckoning
Sgt. Johnny Drake

Destination Tokyo
Pills

Family Plot
Bishop Wood

The Taking of Beverly Hills
Mitchell Sage

The Stepford Wives
Ike Mazzard

Spies Like Us
Keyes

Nuts
Clarence Middleton

The Heartbreak Kid
Colorado Man

Macabre
Dr. Rodney Barrett

Cyrano de Bergerac
Christian de Neuvillette

Objective, Burma!
Lt. Sid Jacobs

Fever Pitch
Mitchell

Shadow of a Woman
David G. MacKellar, Louise's Lawyer

Hollywood Canteen
Self

Love & Money
Paultz

Sacco & Vanzetti
William Thompson

The Gauntlet
Blakelock

The Greatest Man in the World
Secretary of State

Lust for Gold
Barry Storm

The Soldier
The President

Carnegie Hall
Tony Salerno Jr.

Pillow to Post
Lieutenant Don Mallory

The Portrait
Hubert Hayden

The Promise
George Calloway

All the King's Men
Unknown

The Very Thought of You
Fred

Assassination
H.H. Royce

Gideon's Trumpet
5th Supreme Court Justice

Vice Versa
Avery

The Vagabond King
Rene de Montigny

Moonlight
Mr. White / Bibb

Spontaneous Combustion
Lew Orlander

Secret of Treasure Mountain
Robert Kendall

Found Money
George Peterson

Cinderella Jones
Bart Williams

Make Me an Offer
Milo Spears

The Cat from Outer Space
Mr. Olympus

Do You Know the Muffin Man?
Arthur Richardson

Goldie and the Bears
Paul Ellison

Second Sight
Cardinal O'Hara

The Sorrows of Gin
Carl

Chain Letter
Matthew Barwood

The Sting II
Tuxedo (uncredited)

Blade
Powers

The Jericho Mile
O.A.U. Chairman

Kiss Me Goodbye
Rev. Hollis

An Enemy of the People
Unknown

City in Fear
Harrison Crawford II

Steel and Lace
Old Man

The Paper
Howard Hackett

All Over
The Best Friend

Night Games
Clayton Nikell

Perry Mason: The Case of the Notorious Nun
Archbishop Stefan Corro

A Matter of Life and Death
Dr. Burgess

Movers & Shakers
Louis Martin

Breakdowns of 1942
Self
The Atom and Eve
Unknown

A Time for Miracles
Prefect

Johnny, We Hardly Knew Ye
Ambassador Joseph P. Kennedy

Key West
Sen. Scott

Rollercoaster
Quinlan