A "Star Trek" fan flashes the Vulcan "Live Long and Prosper" hand sign as he waits to hear actors from the famed television show speak on Aug. 19, 2006, the third day of the Star Trek convention in Las Vegas. Thousands of fans beamed into Las Vegas to celebrate the 40th anniversary of "Star Trek," the enduring science fiction television franchise whose cult appeal transcends boundaries of space and time.
Original "Star Trek" series co-stars William Shatner and Leonard Nimoy hug during their appearance at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Leonard Nimoy (Mr. Spock) and William Shatner (Captain Kirk)reminisce during their appearance at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Actors from the original "Star Trek" series, Nichelle Nichols, George Takei and Walter Koenig, sing "God Bless America" at the end of their appearance at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Actress Nichelle Nichols, who played Lt. Nyota Uhura on the original "Star Trek" TV series, waves to fans at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Actor Scott Bakula, who played Capt. Jonathan Archer on the TV series "Enterprise," appears at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 20, 2006.
Actor Walter Koenig, who played Ensign Pavel Chekov on the original "Star Trek" series, smiles at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Actor George Takei, who played Lt. Hikaru Sulu on the original "Star Trek" series, laughs at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 19, 2006.
Actress Majel Barrett-Roddenberry, widow of "Star Trek" creator Gene Roddenberry, speaks at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 20, 2006. She played Nurse Christine Chapel in the original "Star Trek" series and had roles in all five "Star Trek" series, sometimes only as the voice of the computer.
Actor Avery Brooks, who played Capt. Benjamin Sisko on "Star Trek: Deep Space Nine," speaks at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 17, 2006.
Actor Jonathan Frakes, left, who played Commander William Riker on "Star Trek: The Next Generation," and his series co-star, actor Brent Spiner, who portrayed Data, joke at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 17, 2006.
Actress Diana Muldaur, who played the character Dr. Kate Pulaski on "Star Trek: The Next Generation," speaks at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 17, 2006. Muldaur also had two different guest-star roles in the original "Star Trek" in 1968.
Actress Kate Mulgrew, who played Captain Kathryn Janeway on "Star Trek: Voyager," takes questions from fans at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 18, 2006.
Actor Ethan Phillips, who played Neelix on "Star Trek: Voyager," walks on stage at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 18, 2006.
Actor Robert Picardo, who played The Doctor on "Star Trek: Voyager," poses after signing a banner at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 18, 2006.
Actor Dominic Keating, who played Lt. Malcolm Reed on "Enterprise," speaks at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 18, 2006.
Actress Gwynyth Walsh, who played B'Etor on "Star Trek: The Next Generation," speaks at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 20, 2006.
Actor Garrett Wang, left, who played Ensign Harry Kim on "Star Trek: Voyager," and his series co-star, Tim Russ, who played the Vulcan character Tuvok, talk to fans at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 20, 2006.
Actor Carel Struycken, who played Mr. Homn on "Star Trek: The Next Generation," poses after speaking at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 20, 2006.
Actor Connor Trinneer, left, who played the character Commander Charles "Trip" Tucker on "Enterprise," and his series co-star, actor Dominic Keating, who played Lt. Malcolm Reed, take questions from fans at the fifth annual official Star Trek convention at the Las Vegas Hilton on Aug. 18, 2006.