Tracy Tormé considered having his father Mel Tormé be cast but chose to give him a larger role; he appeared in the succeeding "Greatfellas" instead.
On Psychic World, a young man from San Francisco had a premonition that U.S. President Abraham Lincoln would be assassinated on April 14, 1865 and was able to prevent John Wilkes Booth from killing him. Lincoln was so grateful and impressed that he created the cabinet post of Prime Oracle, who was responsible for predicting natural and man made catastrophes. By 1996, the Prime Oracle was the most powerful man in the United States while the President was little more than a figurehead.
On Psychic World, former U.S. President John F. Kennedy died due to complications from Addison's disease in May 1995 at the age of 78. Among the attendees at his funeral were his younger brother Robert F. Kennedy and Martin Luther King.
On India World, North America was colonised by India in the 17th Century.
At 5:31 a character introduces himself "The name's Bond, Derek Bond". Agent 007 would understand.