|Original title||Marriage on the Rocks|
|UK Release Date|
|Cast||Frank Sinatra, Dean Martin, Deborah Kerr, Cesar Romero, Hermione Baddeley, Tony Bill, John McGiver, Nancy Sinatra, Davey Davison, Michel Petit, Trini López, Joi Lansing, Darlene Lucht, Kathleen Freeman, Flip Mark|
Ad-agency president Dan Edwards who, when he goes to Mexico to celebrate his nineteenth wedding anniversary, winds up getting divorced by mistake - whereupon his wife Valerie marries his best friend Ernie Brewer by mistake. Frank's future pop star daughter Nancy Sinatra has a featured role.