Kevin Costner is doing a media blitz for former South Bend, Ind., Mayor Pete ButtigiegPeter (Pete) Paul ButtigiegBiden looks to shore up lead in S.C. Vulnerable Democrats brace for Sanders atop ticket The Hill's Campaign Report: Gloves off in South Carolina 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 ObamaBarack Hussein ObamaThe Hill's Campaign Report: Gloves off in South Carolina 6 ways the primary fight is toughening up Democrats for the fall general election Bloomberg called Social Security a 'Ponzi scheme' as mayor 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 SandersBernie SandersDNC warns campaigns about cybersecurity after attempted scam Overnight Health Care — Presented by American Health Care Association — Trump taps Pence to lead coronavirus response | Trump accuses Pelosi of trying to create panic | CDC confirms case of 'unknown' origin | Schumer wants .5 billion in emergency funds Biden looks to shore up lead in S.C. MORE (I-Vt.), and Ashley Judd was in town rooting on Sen. Elizabeth WarrenElizabeth Ann WarrenBiden looks to shore up lead in S.C. Hillicon Valley: Dems cancel surveillance vote after pushback to amendments | Facebook to ban certain coronavirus ads | Lawmakers grill online ticketing execs | Hacker accessed facial recognition company's database Push for national popular vote movement gets boost from conservatives MORE's (D-Mass.) presidential bid.

—Updated at 3 p.m.