William Prince
Acting
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.
The Paper
Howard Hackett
The Portrait
Hubert Hayden
The Taking of Beverly Hills
Mitchell Sage
Steel and Lace
Old Man
Spontaneous Combustion
Lew Orlander
Second Sight
Cardinal O'Hara
Do You Know the Muffin Man?
Arthur Richardson
Chain Letter
Matthew Barwood
Vice Versa
Avery
Nuts
Clarence Middleton
Assassination
H.H. Royce
Perry Mason: The Case of the Notorious Nun
Archbishop Stefan Corro
Spies Like Us
Keyes
Fever Pitch
Mitchell
Movers & Shakers
Louis Martin
Goldie and the Bears
Paul Ellison
Found Money
George Peterson
Joe Dancer III: The Big Trade
Asa Lamar
The Sting II
Tuxedo (uncredited)
Kiss Me Goodbye
Rev. Hollis
Moonlight
Mr. White / Bibb
The Soldier
The President
Love & Money
Paultz
The Greatest Man in the World
Secretary of State
A Matter of Life and Death
Dr. Burgess
A Time for Miracles
Prefect
The Jericho Mile
O.A.U. Chairman
Bronco Billy
Edgar Lipton
Gideon's Trumpet
5th Supreme Court Justice
City in Fear
Harrison Crawford II
Make Me an Offer
Milo Spears
The Sorrows of Gin
Carl
The Promise
George Calloway
The Cat from Outer Space
Mr. Olympus
The Gauntlet
Blakelock
Rollercoaster
Quinlan
Fire Sale
Mr. Cooper (uncredited)
Johnny, We Hardly Knew Ye
Ambassador Joseph P. Kennedy
Network
Edward George Ruddy
All Over
The Best Friend
Family Plot
Bishop Wood
The Stepford Wives
Ike Mazzard
Night Games
Clayton Nikell
Key West
Sen. Scott
Blade
Powers
The Heartbreak Kid
Colorado Man
Sacco & Vanzetti
William Thompson
An Enemy of the People
The Atom and Eve
Narrator
Macabre
Dr. Rodney Barrett
All the King's Men
The Vagabond King
Rene de Montigny
Secret of Treasure Mountain
Robert Kendall
Cyrano de Bergerac
Christian de Neuvillette
Lust for Gold
Barry Storm
Carnegie Hall
Tony Salerno Jr.
Dead Reckoning
Sgt. Johnny Drake
Shadow of a Woman
David G. MacKellar, Louise's Lawyer
Cinderella Jones
Bart Williams
Pillow to Post
Lieutenant Don Mallory
Objective, Burma!
Lt. Sid Jacobs
Hollywood Canteen
Self
The Very Thought of You
Fred
Destination Tokyo
Pills
Breakdowns of 1942
Self