Barkley was an attorney from Plymouth, independent candidate for the 6th CD in 1992, Reform nominee for U.S. Senate in 1994, Independence nominee for U.S. Senate in 1996, and nominee for Associate Justice of the Supreme Court in 2012.
Uldrich was a business executive from Minneapolis, Republican nominee for the 5th CD in 1996, candidate for U.S. Senate in 2006, and Independence candidate for Governor in 2010.
Stephen Williams was a small business owner and farmer from Brownsdale, Independence candidate for U.S. Sneate in 2006 and 2014, Independence candidate for Lieutenant Governor in 2010, and Independence nominee for U.S. Senate in 2012. He was the party-endorsed candidate
Anderson was a resident of Minneapolis.
Doug Williams was a resident of Chaska, Indpendent-Republican candidate for Governor in 1986, Independent-Republican candidate for HD 35B in 1990, Independent-Republican candidate for HD 35A in 1994, Republican candidate for SD 35 in 1996, Reform nominee for HD 35A in 1998, Independence nominee for SD 35 in 2000, Independence nominee for SD 34 in 2002, and Independence nominee for CD 02 in 2004 and 2006.
Stanton was a college program director from Eden Prairie, DFL nominee for the 3rd CD in 2002, DFL candidate for U.S. Senate in 2006, and DFL candidate for U.S. Senate in 2012.
Dahn was a resident of St. Paul, Republican candidate for Governor in 1998, Republican candidate for U.S. Senate in 2000, Independence candidate for Governor in 2002, Independence nominee for HD 65B in 2004, Independence nominee for SD 53 in 2006, Independence nominee for Attorney General in 2010, DFL candidate for Governor in 2014, Republican candidate for SD 53 in 2016, and Republican candidate for HD 53A in 2018.