Steve McQueen originally mentioned to play one of husbands.
Frank Sinatra was the first choice to play Rod Anderson. When Darryl F. Zanuck balked at his salary demand, Robert Mitchum agreed to play the role at no fee for tax purposes.
Pamelyn Ferdin's feature film debut.
Fred MacMurray was originally announced to play a sixth husband, a role cut from script before shooting began.
Following death of Marilyn Monroe, Elizabeth Taylor was briefly attached to project before Shirley MacLaine ultimately played the lead role.
Initially intended as a vehicle for Marilyn Monroe. Producer Arthur P. Jacobs was Monroe's publicist, and J. Lee Thompson was on her list of approved directors.
The last film of Tom Conway.
The matte painting used for the "Flaming Lips" premiere is the same used for "Royal Rascal" and "The Dancing Cavalier" premieres in Singin' in the Rain.
The set used as Luisa and Pinky Benson's Hollywood mansion was originally used as the home for the Marilyn Monroe and Dean Martin characters in the unfinished film "Something's Got To Give".
There is a running gag that Paul Newman's character is a starving painter. In every scene he is eating something.
This would be the final film for Margaret Dumont.