William Alan Shatner is a Canadian actor, recording artist, and author. He gained worldwide fame and became a cultural icon for his portrayal of James T. Kirk, captain of the USS Enterprise, in the science fiction television series Star Trek from 1966 to 1969, Star Trek: The Animated Series from 1973 to 1974, and in seven of the subsequent Star Trek feature films from 1979 to 1994... - www.wikipedia.org

The son of an Austrian immigrant, Fred Astaire entered show business at age 5. He was successful both in vaudeville and on Broadway in partnership with his sister, Adele Astaire. After Adele retired to marry in 1932, Astaire headed to Hollywood. Signed to RKO, he was loaned to MGM to appear in Dancing Lady (1933) before starting work on RKO's Flying Down to Rio (1933). In the latter film, he began his highly successful partnership with Ginger Rogers, with whom he danced in 9 RKO...(imdb)

Credits include: A Star Is Born, Brute Force, The Big Country, Days of Wine and Roses and Duel in the Sun

Credits include: Mary Poppins, Escape to Witch Mountain, The Ghost and Mr. Chicken, The Pajama Game and All Mine to Give

Credits include: Love at First Bite, The Pink Panther Show, The President's Analyst, Scooby-Doo Meets the Boo Brothers and Evil Toons

Credits include: Herbie Rides Again, The Cat from Outer Space, The Carol Burnett Show, Hello Down There and F Troop

Credits include: The Leech Woman, The Unearthly, Mind Over Mayhem, Mr. Denton on Doomsday and Man-Trap

Credits include: The Young Lions, 36 Hours, Hogan's Heroes, Desperate Journey and The Wonderful Country

Credits include: A Nightmare on Elm Street 4: The Dream Master, Firecreek, Twice Dead, Night Visitor and The Gay Deceivers

Burt Mustin was a salesman most of his life, but got his first taste of show business as the host of a weekly radio variety show on KDKA Pittsburgh in 1921. He appeared onstage in "Detective Story" at Sombrero Playhouse in Phoenix Arizona, and played the janitor in the movie version, (Detective Story (1951)), after moving to Hollywood. Hundreds of screen appearances later, he announced his retirement while filming an episode of Phyllis (1975). In the episode, his character married Mother Dexter,

Credits include: The Day of the Locust, The Harvey Girls, The Kentuckian, The Three Stooges in Orbit and The Luck of the Irish

Credits include: The After Hours, The Odyssey of Flight 33, The Young Lovers, The Hundred Days of the Dragon and That Little Old Matchmaker, Martin