Julie Newmar, an accomplished dancer, never got a chance to show off her skills because her dance partner, Jeff Richards, was a former professional baseball player with no dancing skills.
MGM considered this a "B" picture --- in fact, the studio diverted some of this film's original budget to Brigadoon (1954), since it was expected to be the more successful movie. This forced Stanley Donen to use painted backdrops instead of filming on location.
For the brides' costumes, designer Walter Plunkett went to the Salvation Army, found old quilts and turned them into dresses.
The wood-chopping scene in the 'Lonesome Polecat' number is one continuous take.