Peter Lorre sings during the opening monologue. Joanie Sommers follows with a song. Jack dreams about a visit to the doctors office where he's in the waiting room with Peter Lorre, who happens to be in the front page of the newspaper for murdering 6 people. The doctor, who is a plastic surgeon is played by Mel Blanc. Peter Lorre holds Jack and Mel hostage so he can change his appearance. Peter Lorre's operation is a success! He now looks like Jack! (thetvdb.com)