Ascended Fan: Of a sort — Peter Falk had said that he had long been a fan of Eddie "Rochester" Anderson, and was overjoyed to work alongside him in this film.
Everybody Owns A Ford: Chrysler sponsored the film to showcase its 1963 lineup. Almost all the heroes drive Chryslers. One of Ethel Merman's lines was written with a Cadillac in mind ("We're the ones in the Imperial and we're running last?"), but was changed because Chrysler sponsored the film and not GM. It has a much more snobbish airs with a Cadillac.
Although, in an odd inversion of Retroactive Recognition, some of the cameos are by early-'60s TV personalities who would have been readily identifiable to 1963 audiences but are all but forgotten today.
Stanley Kramer tried to get Stan Laurel of Laurel and Hardy to appear in a cameo, but Stan had vowed to never appear on stage or screen again after his partner Oliver Hardy died a few years earlier, and he declined.