John Marley
Acting
John Marley (October 17, 1907 – May 22, 1984) was an American actor who was known for his role as Phil Cavalleri in Love Story and as Jack Woltz— the defiant movie mogul who awakens to find the severed head of his prized horse in his bed—in The Godfather (1972). He starred in John Cassavetes' breakthrough feature Faces (1968) and appeared in The Glitter Dome (1984). Description above from the Wikipedia article John Marley, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The Godfather: The Complete Epic 1901–1959
Jack Woltz
Faces
Richard Forst (archive footage)
On the Edge
Elmo
The Glitter Dome
Capt. Woofer
Utilities
Roy Blue
Falcon's Gold
Christopher Falcon
Mother Lode
Elijha
The Amateur
Molton
Threshold
Edgar Fine
Word of Honor
Gordon Agee
Tribute
Lou Daniels
This Year's Blonde
Joe Schenck
Hooper
Max Berns
It Lives Again
Mr. Mallory
The Private Files of J. Edgar Hoover
Dave Hindley
Telethon
Arnold Shagan
The Greatest
Dr. Ferdie Pacheco
The Car
Everett
Kid Vengeance
Jesus
W.C. Fields and Me
Harry Bannerman, Studio Head
Framed
Sal Viccarrone
Dead of Night
Charles Brooks
Blade
Tommy Blade
The Alpha Caper
Lee Saunders
Jory
Roy Starr
The Family Rico
Sid Kubik
The Dead Are Alive
Nikos Samarakis
The Godfather
Jack Woltz
In Broad Daylight
Lt. Bergman
Clay Pigeon
Police Captain
The Sheriff
Kinsella
Incident in San Francisco
Mario Cianelli
Love Story
Phil Cavilleri
A Man Called Sledge
Old Man
Istanbul Express
Kapel
Faces
Richard Forst
In Enemy Country
Rausch
To Die in Paris
Luzet
The Lollipop Cover
George
The Further Adventures of Gallegher
John, the Coachman
Cat Ballou
Frankie Ballou
Nightmare in the Sun
Hogan, Gas station owner
America America
Garabet
The Wheeler Dealers
Achilles Dimitros
A Child Is Waiting
Holland
Pay or Die!
D. Caputo, Ragman
I Want to Live!
Father Devers
Time Table
Bobik
The Square Jungle
Tommy Dillon
The Joe Louis Story
Mannie Seamon
My Six Convicts
Knotty Johnson
The Mob
Tony
Guilty Bystander
Bartender (uncredited)
Ma and Pa Kettle Go to Town
Second Cab Driver (uncredited)
The Naked City
Managing Editor (uncredited)
Kiss of Death
Convict (uncredited)
Native Land
Thug With Crowbar