1x21 Who Killed His Royal Highness?
First Aired: Feb. 21, 1964 on ABC
Summary: The Grand Duke, Maximilian Karol Alexandrei Kadarian, collapses at a banquet. The Grand Duke was famous locally as phony royalty, who owned a fabulous emerald necklace, now missing. The suspects include his former wife, his secretary, the owners of the banquet hall (two former…
Guest Stars[no credits found]