Incumbent: Steven Walker.
Source: https://legiscan.com/AR/people/24615
Everyone registered with the Federal Election Commission for this race, sorted by money raised. This includes candidates who lost a primary or withdrew, so it is not the general-election ballot. Check your sample ballot for who is on it.
No FEC filings found for this race.
Source: FEC filings as copied into Roll Call Track. See this race on FEC.gov.