In August 1955 writers George Beck and Samuel Locke filed a $65,000 infringement lawsuit against Paramount and Hal B. Wallis, claiming that Wallis had hired them to write a circus story for Dean Martin and Jerry Lewis, entitled Big Top, which Wallis later rejected. The disposition of the suit is not known.
Zsa Zsa Gabor and Joanne Dru did not like each other and clashed often. After one particular incident in which Dru got the better of Gabor, Zsa Zsa said, "I'll get even with you if it takes forever." Dru replied, "It probably will, but aren't you rather old to talk about a future?"
This is the second time Sig Ruman played a lion tamer in a circus. The first time was in The Wagons Roll at Night (1941).
Its said that The Day the Clown Cried (1972) mostly got its influence from the clown scenes from this film.
The "CB" circus was a slight change from the real popular circus organization - the Clyde Beatty Circus - not credited.