Trivia: 7 Faces of Dr. Lao
- Fake Nationality: The Chinese Lao (not to mention the Turkish Apollonius, British Merlin, Greek Pan and Medusa, and Nepalese Snowman) are all played by European-American Randall. No wonder his accent "comes and goes."
- Hey, It's That Guy!: Besides Tony Randall as Dr. Lao and Barbara Eden as Angela, Stark (Arthur O’Connell) is Mr. Goodbody, the mayor (Frank Cady) is Sam Drucker, Mr. Lindquist (John Qualen) is Berger, the Norwegian and Mrs. Lindquist is Ma Kettle.
- What Could Have Been: Peter Sellers was originally going to play Dr. Lao but he was too busy to fit it into his schedule. Enter Tony Randall.