The character actor was perhaps most recognized for being a long-time TV pitchman for Miracle-Gro plant food. But his many movies include the highly regarded, "The Shawshank Redemption," in which he played the character "Brooks," a long-time prison inmate who kills himself after being released.
Whitmore's stage performances included one-man shows about Harry Truman, Will Rogers and Theodore Roosevelt. The Tony and Emmy-winning actor was also nominated for an Oscar. He got his Oscar nod for the film version of the play about Truman, becoming the only actor ever nominated for a film that had just one cast member.
Whitmore's son says his father was diagnosed with cancer a week before Thanksgiving and died this afternoon at his home in California.
Whitmore was 87.