On March 4, 1951, Halsey appeared as a mystery guest on episode No. 40 of the game show, What's My Line, where the panel correctly deduced his identity.
Den 4. arts 1951 optrådte Halsey som den mystiske gæst i en episode No. 40 af underholdningsquizzen What's My Line, hvor panelet nåede frem til hans rette identitet.