Darline Graham & United States — Republican Party (United States)

Darline Graham: Darline Graham is the interim senator and frontrunner in the runoff, backed by President Trump and United States — Make America Great Again Inc. Her victory would likely maintain a Trump-aligned voice in the Senate, supporting his agenda.

United States — Republican Party (United States): The Republican Party is the primary actor in this primary. The winner will represent the party in the general election, and the race reflects internal dynamics between Trump-aligned and establishment factions.

Darline Graham: Appointed and sworn in as interim U.S. Senator from United States — North Carolina, becoming the first woman to hold the seat. She will serve until January 2027.

United States — Republican Party (United States): The party that holds the seat and will hold a special primary to select a nominee.

Darline Graham: Announced candidacy for full Senate term; appointed to fill her brother's seat.

United States — Republican Party (United States): Primary election to determine nominee.

Darline Graham: Interim senator and frontrunner, endorsed by Trump, but faces scrutiny over experience and limited campaigning.

United States — Republican Party (United States): The party holding the primary; the winner will be the Republican nominee.

Darline Graham: Appointed interim senator and announced candidacy for the full term.

United States — Republican Party (United States): Holding a special primary to nominate a candidate for Graham's seat.