During the course of his 30-year run at The Tonight Show, Johnny Carson ... interview with Hepburn had left him babbling before adding he “completely fell apart.” A clip of Carson’s ...

Heeeeere's Johnny! Or, rather ... showcasing interviews between Cavett and guests such as Katharine Hepburn, Groucho Marx and Alfred Hitchcock.

When they were looking for a host for their 1987 PBS documentary “Jimmy Stewart: A Wonderful Life,” producer Joan Kramer and director David Heeley decided to approach Johnny Carson.