William Shatner

William Shatner hosts the 14th Annual Hollywood Charity Horse Show in Burbank, Calif., on May 1, 2004. The show raises money for three local charities dedicated to improving the lives of special-needs children. Shatner's acting career has spanned more than 50 years, including turns in Shakespearian plays, "Star Trek" and as the Priceline.com spokesman.

William Shatner of "Boston Legal" speaks with the media at the ABC Summer TCA Press Tour in Los Angeles on June 12, 2004. Shatner starred as Captain Kirk on the original "Star Trek" TV show from 1966 to 1969, then reprised the role in the first six "Star Trek" films that followed it.

William Shatner poses with his award for Outstanding Guest Actor in a Drama Series for "The Practice" at the Emmy Awards in Los Angeles on Sept. 12, 2004. He won the same award in 1999, when he appeared on episodes of "3rd Rock From The Sun." One of his episodes even parodied his famous turn on "The Twilight Zone," when co-star John Lithgow tells Shatner he saw something on the wing of a plane.

William Shatner and his wife, Elizabeth, arrive at the InStyle Golden Globe after-party at the in Beverly Hills, Calif., on Jan. 16, 2005. Shatner won the Best Actor in a Supporting Role award for "Boston Legal," playing Denny Crane, who he also played -- and won an award for playing -- on "The Practice."

Wrong movie, Captain Kirk! William Shatner is carried onstage by a group of "Star Wars" storm troopers during the 33rd AFI Life Achievement Award tribute to George Lucas in Hollywood on June 9, 2005.

Patrick Stewart, left, who played Captain Jean-Luc Picard on the television series "Star Trek: The Next Generation," surprises actor William Shatner, who played Captain James T. Kirk in the original series and films, at the Star Trek convention in Las Vegas on Aug. 14, 2005. Shatner is often humorously critical of the "Star Trek" fans, jokingly telling them on an episode of "Saturday Night Live" to "get a life."

William Shatner attends the Fox Home Entertainment "Boston Legal" DVD release celebration at The Museum of Television & Radio in New York on May 15, 2006. That same year, a Web site called GoldenPalace.com paid $75,000 to purchase a kidney stone passed by the actor.

William Shatner attends the "Over The Hedge" premiere at the 59th International Cannes Film Festival in Cannes, France, on May 21, 2006. In July 2006, Shatner received his third Emmy nomination in as many years for playing Denny Crane.

William Shatner and his wife, Elizabeth Anderson Martin, arrive for the 60th Primetime Emmy Awards on Sept. 21, 2008, in Los Angeles. Shatner was nominated for Outstanding Supporting Actor in a Drama Series for his work on "Boston Legal." He was nominated in the same category in 2009.