Broadway and theatrical career during his Broadway production of
Tonight in Samarkand (1955) In 1944 at age 21, Montealegre established herself in New York, where she took piano lessons from Chilean pianist
Claudio Arrau. Upon her arrival in New York, Montealegre started acting lessons with
Herbert Berghof at the
Dramatic Workshop of the New School for Social Research. She then continued studying with him at his newly founded acting school
HB Studio. In April 1945, Montealegre made her first New York acting appearance in the English-language premiere of Federico Garcia Lorca's
If Five Years Pass at the
Provincetown Playhouse. Montealegre made her
Broadway debut on July 20, 1946, at the
Booth Theatre as the
ingénue in
Ben Hecht's
Swan Song. In 1950, she was an understudy to Leora Dana in
Samuel A. Taylor's
The Happy Time on Broadway, starring
Eva Gabor and Montealegre's then-lover
Richard Hart. Montealegre's Shakespearean roles included
Jessica in a 1953 production of
The Merchant of Venice at
New York City Center and as Katharine in
Henry V in a 1956 production at the Cambridge Drama Festival in Cambridge, Massachusetts. Other notable stage appearances included Margot Wendice in
Dial M for Murder at the Palm Beach Playhouse (Florida) in 1957 and Sally Bowles in
Van Druten's I Am a Camera at the North Jersey Playhouse, starring alongside her lifelong friend and colleague
Michael (Mendy) Wager. Montealegre returned to the Broadway stage in 1967 to play Birdie Hubbard in
Lillian Hellman's The Little Foxes directed by family friend
Mike Nichols. She made her
Metropolitan Opera debut in 1973 as Andromache in Berlioz's opera
Les Troyens, the work's first staging in New York City. Montealegre made her final Broadway appearance in the 1976 play
Poor Murderer, directed by her former acting teacher Herbert Berghof.
Television career Joan of Arc at the Stake, May 9, 1958; photo by
Carl Van Vechten Beginning in 1949, Montealegre starred in leading roles on weekly television anthology dramas for
Kraft Television Theatre (NBC), Montealegre made her television debut on NBC's
Kraft Television Theatre on May 11, 1949, as Hygieia in Mary Violet Heberden's
The Oath of Hippocrates, alongside actors
Dean Harens and Guy Spaull. In 1950, she appeared in the leading role of
Nora Helmer in
Henrik Ibsen's ''
A Doll's House'', with
John Newland as Krogstad and
Theodore Newton as Thorvald. She made her first appearance on the CBS Television Network's
Studio One in the psychological thriller
Flowers from a Stranger, which aired on May 25, 1949, with actor
Yul Brynner. She acted in eleven
Studio One teleplays between 1949 and 1956, including
Of Human Bondage (aired November 21, 1949), based on
W. Somerset Maugham's novel in which Montealegre played Mildred opposite
Charlton Heston as Philip Carey. In 1952, she co-starred alongside Heston again in
The Wings of the Dove, based on the
1902 novel by
Henry James. Montealegre appeared in four episodes of the CBS series
Suspense (1949–1954), live teleplays featuring people in dangerous situations. She appeared first in an episode entitled
"The Yellow Scarf" (aired June 7, 1949), where she played housekeeper Hettie, who finds herself in a strange scenario involving her mysterious employer Mr. Bronson, portrayed by
Boris Karloff, and a social mission worker, Tom Weatherby, played by
Douglass Watson. The other three episodes were "The Tip" (1950), "Death Sabre" (1951), and "An Affair with a Ghost" (1954).
Dramatic works with orchestra In 1957, Montealegre performed her first dramatic role in a classical music concert as the narrator in
Lukas Foss's
Parable of Death, based on the mystical poem by
Rilke, for a concert of the Syracuse Friends of Chamber Music. She performed the title role of Joan in
Arthur Honegger's
Joan of Arc at the Stake (French: ''
Jeanne d'Arc au bûcher'') several times, including in 1958 with her husband, Leonard Bernstein, conducting the
New York Philharmonic and
Leontyne Price in the role of Margaret. Bernstein wrote the narration for his
Symphony No. 3: Kaddish with Montealegre in mind, and she narrated its American premiere with soprano
Jennie Tourel and
Charles Munch conducting the
Boston Symphony Orchestra on January 31, 1964. == Social activism ==