Donald Provost Dillaway (March 17, 1903 – November 18, 1982) was an American stage and film actor.

[2] In 1927, Dillaway was one of seven actors who were found guilty in New York City of participating in the production of an obscene play, The Virgin Man.

His numerous TV appearances include Maverick, Bonanza, Perry Mason, The Munsters, Run for Your Life, and The Big Valley.

After he left acting, Dillaway worked as head of RKO's New Talent Department, and he was an agent for actors.

He was buried in Pierce Brothers Valley Oaks Memorial Park, Westlake Village, California.