Melissa Joan Hart Melissa Joan Hart made her support for Mitt Romney public in the 2012 election. (Photo by Neilson Barnard/Getty Images)
Tom Selleck Tom Selleck is a registered Republican and supported Mitt Romney in 2012. (credit: Kevin Winter/Getty Images?
Clint Eastwood Actor Clint Eastwood made headlines after his empty-chair speech at the Republican National Convention, during which he spoke to an imaginary President Barack Obama. (Photo by Mark Wilson/Getty Images)
Denver Broncos v Baltimore Ravens Matt Birk of the Baltimore Ravens, who recently announced his retirement, refused to visit the White House with his Super Bowl winning team because he disagrees with Democratic President Barack Obama. (Photo by Larry French/Getty Images)
Kelsey Grammer The actor has alluded to the idea that perhaps he didn't win an Emmy in 2012 because he is a Republican. (Photo by Kevork Djansezian/Getty Images)
Jessica Simpson Jessica Simpson is a registered Republican. (credit: Jamie McCarthy/Getty Images)
Nick Lachey And like his first wife, Nick Lachey is also a registered Republican. (Photo by Alberto E. Rodriguez/Getty Images)
Meatloaf Longtime Republican supporter and musician Meatloaf campaigned with Republican candidate for president Mitt Romney. (Photo by Justin Sullivan/Getty Images)
Woody Johnson Jets owner Woody Johnson was very clear about his support for Mitt Romney in 2012. (credit: Rob Carr/Getty Images)
Hilary Duff This Texas girl came out in support of George W. Bush in 2005 by performing at his inauguration ceremony. (Photo by Jason Kempin/Getty Images)
Angie Harmon Angie Harmon, seen here speaking during the 2004 Republican National Convention with her husband, NFL player Jason Sehorn, also supported McCain in 2008 and Mitt Romney in 2012. (Photo by Alex Wong/Getty Images)
Chuck Norris Chuck Norris famously supported Mike Huckabee for the Republican nomination in 2008 and has made substantial contributions to the GOP. He's also filled in for conservative talk show host Sean Hannity on the Fox News Channel. (Photo by Cliff Hawkins/Getty Images)
Shannon Doherty Actress Shannon Doherty is a registered Republican. (Credit: David Livingston/Getty Images)
Naomi Judd Country music singer, songwriter and activist Naomi Judd has been a registered Republican for many years and was a supporter of the George W Bush administration. (credit: Ethan Miller/Getty Images)
Britney Spears In 2002, singer Britney Spears said, "Honestly, I think we should just trust our president in every decision that he makes, and we should just support that, you know, and be faithful in what happens."
Dennis Hopper The late actor Dennis Hopper was a registered Republican.
Tom Clancy Author Tom Clancy has generally been regarded as a political conservative, and has donated over US$256,000 to Republican Party political candidates. Some of his books bear dedications to Republican political figures, most notably Ronald Reagan.
Danny Aiello During an interview with Sean Hannity, actor Danny Aiello pointed out that he is a conservative.
John Elway Hall of Fame quarterback John Elway has contributed to a number of Republican Party candidates in recent elections. He considered running for the U.S. Senate as a Republican.
Sara Evans Country music singer Sara Evans performed at the 2004 Republican National Convention.
LeeAnn Womack Country singer Lee Ann Womack sang at the Republican National Convention in 2004.
Richard Petty NASCAR driver Richard Petty was the Republican nominee for North Carolina Secretary of State in 1996.
Marie Osmond Country music singer Marie Osmond is a registered Republican.
Mel Gibson Actor Mel Gibson has been widely perceived as a conservative Republican, even though he has never identified himself as such. Many of Gibson's positions are in accordance with traditional Catholicism. He released a statement in March 2005 condemning the euthanasia of Terri Schiavo, and has criticized stem cell research.
Dale Earnhardt Jr. NASCAR driver Dale Earnhardt Jr. is a registered Republican.
Jackie Mason Award-winning actor and comedian Jackie Mason endorsed Jennifer Horn, the Republican candidate for Congress from Nashua, NH.
Jon Voight Actor Jon Voight appeared in a video available on YouTube from the Republican National Convention admonishing people to support the American troops.
Curt Schilling Retired baseball pitcher Curt Schilling campaigned for President George W. Bush in 2004. In 2007 he announced his support for Republican presidential candiate Sen. John McCain.
Bruce Willis In 2007, actor Bruce Willis declared he maintains some Republican ideologies but is currently an independent. He has endorsed every Republican presidential candidate except Bob Dole in 1996.
Scott Baio Actor Scott Baio was a member of Young Americans for Freedom, a conservative youth organization.
Dr. Phil Dr. Phil is a registered Republican.
Bo Derek Model and actress Bo Derek is a conservative Republican who supported George H.W. Bush in 1988 and 1992 and campaigned for his son, George W. Bush in 2000 and 2004, and she appeared at both Republican conventions.
Nick Lachey Singer Nick Lachey is a registered Republican.
Stephen Baldwin Since 2001, actor Stephen Baldwin has become an outspoken Christian conservative, with a Christian ministry and book to his name.
Karl Malone Former NBA star Karl Malone is a registered Republican.
Arnold Schwarzenegger Bodybuilder, actor, businessman, and Republican, Arnold Schwarzenegger was elected governor of California in 2003.
Susan Lucci Emmy Award winning actress Susan Lucci is an outspoken conservative Republican, and has planned fundraising events for former New York City mayor Rudolph Giuliani, with the help of his ex-wife, Donna Hanover.
Sarah Michelle Gellar Actress Sarah Michelle Gellar is a registered Republican.
Martina McBride Country-pop music singer-songwriter Martina McBride is a registered Republican.
Gloria Estefan Singer Gloria Estefan is a registered Republican.
Jack Nicklaus Professional golfer Jack Nicklaus is a registered Republican.
Heather Locklear Actress Heather Locklear is a registered Republican.
Ronan Tynan Irish tenor Ronan Tynan performed at the prayer service marking George W. Bush 's second inauguration.
Jessica Simpson Singer Jessica Simpson is a registered Republican.
Kim Alexis Model Kim Alexis is a registered Republican.
Dwayne 'The Rock' Johnson In 2000, Dwayne 'The Rock' Johnson delivered a speech at the Republican National Convention.
Cheryl Ladd Singer, author, and actress Cheryl Ladd is a registered Republican.
Robert Duvall Actor Robert Duvall was personally invited to Republican President George W. Bush's inauguration in 2001. According to MSNBC, Duvall narrated most of the videos for the 2008 Republican Convention.
Kid Rock Musician Kid Rock is a registered Republican.
Ben Stein Actor Ben Stein was a speechwriter and lawyer for President Richard Nixon, and later for President Gerald Ford.
Dennis Franz, Rick Schroeder Actors Dennis Franz (L) and Rick Schroeder are registered Republicans.
James Earl Jones Actor James Earl Jones (Credit: File)
Loretta Lynn Country music singer, songwriter Loretta Lynn is a registered Republican.
James Woods Academy-award nominated actor James Woods is a Republican, and he was a vocal supporter of U.S. President George W. Bush and former Mayor of New York Rudy Giuliani.
Mary Lou Retton Olympic gymnast Mary Lou Retton delivered the Pledge of Allegiance on the second night of the 2004 Republican National Convention.
Don King Don King has consistently supported Republican presidential candidates over the years.
Rachel Hunter Model and actress Rachel Hunter is a registered Republican.
Dean Cain Actor Dean Cain is a registered Republican.
Charlton Heston The late actor and one-time NRA president Charlton Heston campaigned for Republicans and Republican Presidents Ronald Reagan, George H. W. Bush and George W. Bush.
Dennis Miller Stand-up comedian Dennis Miller supported Rudy Giuliani for president in 2008. After Giuliani's departure from the race, he then expressed his support for John McCain.
MeatLoaf Singer Meat Loaf is a registered Republican.
Tony Danza Actor Tony Danza is a registered Republican.
Mike Ditka Former NFL player and coach Mike Ditka is a self-described "ultra-ultra-ultra conservative." He reportedly considered running against Democrat Barack Obama for an open seat in the U.S. Senate for Illinois in the 2004 Senate election.
Patricia Heaton Actress Patricia Heaton is a registered Republican.
Chris Evert Former World No. 1 professional tennis player Chris Evert was romantically linked with several conservative men, including Republican president Gerald Ford's son John Gardner Ford.
Bill Belichick New England Patriots head coach Bill Belichick is a registered Republican.
Vincent Gallo Actor, director, producer, and screenwriter, Vincent Gallo claims to be a supporter of the Republican Party, and has claimed that his fantasy is "becoming more like the stereotype of the Republican Party."
Sylvester Stallone Actor Sylvester Stallone is a registered Republican.
Dixie Carter The late actress Dixie Carter was a registered Republican who described her political views as libertarian. She was interviewed by Bill O'Reilly at the 2000 Republican National Convention. Carter once described herself as "the only Republican in show business."
Ted Nugent Hard rock guitarist Ted Nugent serves on the Board of Directors of the National Rifle Association, and was rumored to be under consideration by the Illinois Republican Party as its candidate in that state's 2004 Senate race.
Robert Conrad Actor and director Robert Conrad is a registered Republican.
Shirley Jones Singer and actress Shirley Jones is a registered Republican who appeared at the 1988 Republican Convention and sang the National Anthem. She also sang at the 2003 lighting of the National Christmas Tree at President George W. Bush's request.
Robert Davi Actor Robert Davi narrated several film montages that aired during the 2008 Republican National Convention.
LeAnn Rimes Country music singer LeAnn Rimes sang for the GOP faithful at the party aptly called "Red, Rhythm & Rimes."
Ron Silver The late actor, director, and producer Ron Silver was an outspoken supporter for President George W. Bush, citing the September 11, 2001 attacks. He spoke at the United States 2004 Republican National Convention.
Janine Turner Actress Janine Turner is a frequent contributor to Republican-party candidates and organizations.
Andy Garcia Actor Andy Garcia is a supporter of the Republican party.
LLCoolJ Rapper LL Cool J attended the 2004 Republican National Convention.
Alice Cooper Rock star Alice Cooper said, "When I read the list of people who are supporting Kerry, if I wasn't already a Bush supporter, I would have immediately switched."
Sammy Hagar Former Van Halen member Sammy Hagar is a republican, and contributed thousands of dollars to George W. Bush's re-election campaign.
50 Cent Rapper 50 Cent once said, "I actually like Bush. In some ways, I'm the George W. Bush of hip hop - nobody likes me, but I'm still gonna run it for the next four years."