Newberger was a paramedic from Becker and sitting state Representative (HD 15B, 2013-2019). He was the party-endorsed candidate.
Merrill Anderson was a retired public relations consultant from Excelsior and candidate for Governor in 2014.
Rae Hart Anderson was a nurse from Shoreview, Republican candidate for SD 50 in 2006, and Independence nominee for SD 50 in 2010.
De La Fuente was a businessman from San Diego, California and perennial candidate. De La Fuente ran in multiple U.S. Senate primaries during the 2018 election cycle.