http://www.nationmaster.com/encyclopedia/List-of-Republican-celebritiesList of Republican celebrities
This list of Republican celebrities includes living Americans widely renowned outside of politics who are members of the United States Republican Party, as well as those who identify themselves as libertarian, conservative or politically independent but who generally vote or support Republicans rather than Democrats.
Actors
Danny Aiello
Joan Allen
Scott Baio
Stephen Baldwin
James Belushi
Tom Berenger
Ernest Borgnine
Bruce Boxleitner
Wilford Brimley
Morgan Brittany
Delta Burke
Dean Cain
Kirk Cameron
Drew Carey
Nancy Cartwright
Dana Carvey
Emma Caulfield
James Caviezel
Mike Connors
Robert Conrad
Kevin Costner
Tony Danza
Robert Davi
Doris Day
Bo Derek
Shannen Doherty
Fred Dryer (also football player)
Robert Duvall
Leslie Easterbrook
Clint Eastwood
Chad Everett
Jamie Farr
Glenn Ford
Peter Ford
Jeff Foxworthy
Dennis Franz
John Gavin
Sarah Michelle Gellar
Mel Gibson
Melissa Gilbert
Kelsey Grammer
Fred Grandy, also a former congressman from Iowa
George Hamilton
Angie Harmon
Patricia Heaton
Charlton Heston
Catherine Hicks
Hal Holbrook
Dennis Hopper
Jonathan Jackson
Dean Jones
James Earl Jones Shirley Jones
Yaphet Kotto
Cheryl Ladd
Heather Locklear
Rob Lowe (debatable: longtime Democrat who supported Arnold Schwarzenegger's 2003 campaign for governor)
Norm MacDonald
John Malkovich
Jackie Mason
Matthew McConaughey
Gerald McRaney
Dennis Miller
Larry Miller
Yvette Mimieux
Ricardo Montalban
Michael Moriarty
Jim Nabors
Leslie Nielsen
Chuck Norris
Maureen O'Hara
Fess Parker
Jason Priestley
Freddie Prinze, Jr.
Dennis Quaid
The Rock (Dwayne Johnson)
Wayne Rogers
Mickey Rooney
Jane Russell
Adam Sandler
John Schneider
Rick Schroder
Dwight Schultz
Arnold Schwarzenegger, 38th Governor of California
Tracy Scoggins
Tom Selleck
Ron Silver
Gary Sinise
Tony Sirico
Jaclyn Smith
Kevin Sorbo
Paul Sorvino
David Spade
Sylvester Stallone
Ben Stein
Jaclyn Smith
Shirley Temple
Dave Thomas
Fred Thompson, also a U.S. Senator from Tennessee 1994-2001
Tommy Tune
Janine Turner
Hunter Tylo
Jean-Claude Van Damme
Vince Vaughn
Jimmie Walker
Denzel Washington
Cindy Williams
Bruce Willis
James Woods, some sources say he is, another says he claimed to be a lifelong Democrat on Charlie Rose
Efrem Zimbalist Jr.
TV/Radio Personalities
Dick Clark
Rick Dees
Elisabeth Hasselbeck
Kim Komando
Rush Limbaugh
Dr. Phil McGraw
Al Michaels
Jim Nantz
Bill O'Reilly
Regis Philbin
Maury Povich
Michael Reagan
Pat Sajak
Pat Summerall
Alex Trebek