Kevin Costner is doing a media blitz for former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq A socially and environmentally just way to fight climate change MORE as voting in New Hampshire's primary gets underway, and he's defending speaking out politically as a Hollywood star.

"I'm an actor. It's like, why should you be talking about politics? That's an easy place to go," Costner said in an interview Monday with WBZ-TV.

"But I pay taxes. I have children. It matters to me the life, the world that they're gonna inherit," the "Field of Dreams" star said. "And I don't like the direction we're going."

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Costner appeared at a campaign rally for Buttigieg on Monday in the Granite State on the eve of the nation’s first presidential primary. It's not the only campaigning the 65-year-old performer has done for the former mayor — he also took to the stage at a Buttigieg event in Iowa last month.

"Politics is a thing that a lot of us don't get involved in," Costner said Tuesday in an interview with MSNBC's Stephanie Ruhle, "and what we realize once in a while is by not getting involved, politics can run right over you."

"I like to believe his voice will carry through," Costner, who supported then-Sen. Barack Obama Barack Hussein ObamaThe Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon Trump appointees stymie recommendations to boost minority voting: report Obama's first presidential memoir, 'A Promised Land,' set for November release MORE (D-Ill.) in the 2008 presidential election, said of Buttigieg.

Buttigieg brought additional star power to New Hampshire, too. Actor Michael J. Fox was with the White House hopeful during an event over the weekend. "We have a very stable Rhodes scholar," the "Back to the Future" actor quipped of Buttigieg at Keene State College.

Other entertainers have also headed to the state to offer some high-profile support for their candidates of choice. Former "Sex and the City" actress and onetime New York gubernatorial candidate Cynthia Nixon spoke at a Monday campaign rally for Sen. Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE (I-Vt.), and Ashley Judd was in town rooting on Sen. Elizabeth Warren Elizabeth WarrenWarren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon No new taxes for the ultra rich — fix bad tax policy instead MORE's (D-Mass.) presidential bid.

—Updated at 3 p.m.