His death was confirmed by former CBS Entertainment chairman Nina Tassler, who worked for Kimble at Triad.
But he made the critical career decision to represent thespians instead.
He began working with Joan Scott at Writers and Artists before setting up his own shingle in July 1977.
John KimbleGetty Images
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He stepped away from the agency business in 2002.
He would end up joining Meridith Baer Home, a luxury staging and interior design firm.
He also once operated Kimble-Wallach, an antique and interior design store in Beverly Hills.
His elder sister, Barbara, preceded him in death in 2017.