With her mother, moved from Puerto Rico to NYC at age four; father and brother remained in Puerto Rico
Made nightclub debut at age five (date approximate)
Broadway debut at age 13 in "Skydrift"
Joined MGM's starlet stable at age 17
Feature acting debut, "So Young, So Bad"
Had bit part dancing a tango in the classic movie musical "Singin' in the Rain"
TV acting debut, "Saint and Senorita" on "Fireside Theater"
Cast as Esmeralda in original production of Tennessee Williams' "Camino Real"; fired at the playwright's insistance
Played Tuptim, one of the monarch's wives, in the fi lm adaptation of "The King and I"
Attempted suicide when her multi-year affair with Marlon Brando ended
Won acclaim and a Best Supporting Actress Oscar playing the fiery Anita in the film version of "West Side Story"
London stage debut as Illona in "She Loves Me", directed by Harold Prince
Appeared opposite Alan Arkin in "Popi"
Played supporting role in "Marlowe", featuring James Garner
Returned to the Broadway stage as Sharon Falconer in the short-lived musical "Gantry", based on the novel "Elmer Gantry"
Co-starred in "Carnal Knowledge"
Was a regular on the children's series "The Electric Company"
Received Grammy Award for contribution to the recording "The Electric Company"
Earned first Emmy nomination for the variety special "Out to Lunch" (ABC)
Offered an hilarious, Tony-winning turn as entertainer Googie Gomez in Terrence McNally's "The Ritz"
Reprised Googie Gomez in the film version of "The Ritz"
Made Emmy-winning guest appearance on "The Muppet Show" (syndicated)
Introduced the character of Rita Capkovic in an episode of NBC's "The Rockford Files"; first of four appearances over the next two years; received second Emmy Award for a 1978 guest appearance
Starred in pilot for a proposed CBS sitcom, "The Rita Moreno Show"; show not picked up by the network
Last film for a decade, "The Four Seasons"
Appeared in the unsuccessful play "Wally's Cafe"
Received Emmy nod for her turn in the CBS movie "Portrait of a Showgirl"
Assumed role of Violet Newstead (played by Lily Tomlin in the film) for the ABC sitcom "9 to 5"; earned Emmy nomination
Began appearing in a one-woman show, mixing singing, dancing and storytelling
Starred on Broadway in a female version of "The Odd Couple" (reworked by Neil Simon) opposite Sally Struthers
Filmed unsold pilot for own CBS sitcom, "Rita"
Played regular role in a series of TV-movies for ABC starring Burt Reynolds as "B.L. Stryker"
Returned to feature films playing Jonathan Silverman's mother in "Age Isn't Everything/Life in the Food Chain"
Portrayed Jon Seda's highly critical mother in "I Like It Like That", helmed by Darnell Martin
Voiced the title character in the animated children's series "Where in the World Is Carmen Sandiego?"
Had regular role as a ditsy landlady on "The Cosby Mysteries" (NBC)
Received a star on the Hollywood Walk of Fame
Appeared Off-Broadway in Anne Meara's comedy "After-Play"
Starred with Louis Zorich and Frank Whaley in the Off-Broadway show "The Size of the World"
Played Norma Desmond in the London production of "Sunset Boulevard"
Returned to series work as Sister Peter Marie Reimondo, the prison's psychological counselor, in the HBO drama "Oz"
Had small role as Alan Arkin's wealthy sister-in-law in "Slums of Beverly Hills"
Reprised her Emmy-winning role in the TV-movie "The Rockford Files: If It Bleeds ... It Leads" (CBS)
Made NYC cabaret debut at the Oak Room of the Algonquin Hotel
Had co-starring role as the title character's mother in the biopic "Pinero"