Ad-agency president Dan Edwards goes to Mexico to celebrate his nineteenth wedding anniversary and winds up getting divorced by mistake, whereupon his wife Valerie marries his best friend Ernie Brewer by mistake.
Frank Sinatra
as Dan Edwards
Deborah Kerr
as Valerie Edwards
Dean Martin
as Ernie Brewer
Cesar Romero
as Miguel Santos
Hermione Baddeley
as Jeannie MacPherson
Tony Bill
as Jim Blake
John McGiver
as Shad Nathan
Nancy Sinatra
as Tracy Edwards
Davey Davison
as Lisa Sterling
Michel Petit
as David Edwards
Trini López
as Trini López
Joi Lansing
as Lola