John Marley
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.
Filmography
Perry Mason
Mannix
Bonanza
Ironside
The Godfather
Hawaii Five-O
The Philco Television Playhouse
Robert Montgomery Presents
The Twilight Zone
The Alfred Hitchcock Hour
Dr. Kildare
Cannon
Cheyenne
The F.B.I.
The Incredible Hulk
No Image
Bob Hope Presents the Chrysler Theatre
Rawhide
Medical Center
The Outer Limits
Hawaiian Eye
Barnaby Jones
Baretta
The Name of the Game
Thriller
The Defenders
Sea Hunt
Land of the Giants
McCloud
The Rebel
Surfside 6