After filming Summertree (1971), he began dating actress Brenda Vaccaro.

Summertree by Ron Cowen.

Guy Summertree Veryzer painted the atmospheric projections and Mimi O'Donnell created the nicely homemade-looking costumes.

In 2003, Morris made his stage debut in the LA revival of the Pulitzer Prize-nominated play Summertree.

And four bays away is a shipment in the name of Sunrise Limited, of which a passenger named Harold Summertree is an employee."

But the ambitious visuals - Guy Summertree Veryzer's projections, Nancy Wiley's doll and Vera Vuchich's costumes - are a sumptuous delight.

At the University of Pennsylvania he taught classes in dramatic writing which resulted in Werner Liepolt's The Young Master Dante and Ron Cowen's Summertree.

He also appeared in Ron Cowen's "Summertree" and in Gore Vidal's "An Evening With Richard Nixon and . . ." playing Dwight D. Eisenhower to George S. Irving's Richard Nixon.