Costner is scheduled to attend a rally Monday afternoon at Colorado College and then attend a sign-making party in Colorado Springs.

Those signs will be used during Michelle Obama's planned visit on Tuesday. She'll speak at Colorado Springs City Auditorium.

On Monday evening, Costner will also visit Obama's campaign office in Castle Rock and meet with female voters at a home in Lakewood.

On Tuesday, the star of the movie "Swing Vote" will also attend rallies in Boulder, Fort Collins, Greeley and Denver. Details on those events haven't been released yet.

Costner lives on a 165-acre ranch outside Aspen, Colo.