 Welcome back to When Radio Was. During this next series' six-month radio run, all on NBC, British character actor Sidney Greenstreet voiced the title character. With a whole passel of familiar radio performers spending time as sidekick Archie Goodwin. There was Lamont Johnson, Herb Ellis, Larry Dobkin, Gerald Moore, Wally Mayer, and in this example, Harry Bartell. The case of the lost heir is from April 20th, 1951.