She was given a prominent ingenue role in her first feature Ice Palace, a top-budget 143-minute generational saga based on the Edna Ferber novel which dramatized the lives and families of the pioneers who settled and developed Alaska between World War I and statehood.
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McBain, whose character appeared only in the last part of the film, held her own against the three female leads, Martha Hyer, Carolyn Jones and Shirley Knight as well as stars Richard Burton and Robert Ryan.
Margarita Sierra (January 5, 1936 - September 6, 1963), born as Maria Margarita Suarez Sierra in Madrid, Spain, was a singer, dancer, and actress perhaps best known for her supporting role as the nightclub-singing Cha Cha O'Brien on the early 1960s ABC/Warner Brothers television series, Surfside 6, with Troy Donahue, Van Williams, Lee Patterson, and Diane McBain.
Diane Keaton | Diane Warren | Diane Arbus | Ed McBain | Diane von Fürstenberg | Diane Sawyer | Diane Fanning | Diane Duane | Diane Paulus | Diane Martel | Diane Lane | Diane Dufresne | Diane Baker | The Diane Rehm Show | Diane Watson | Diane von Furstenberg | Diane (film) | Diane di Prima | Diane Abbott | Diane | Diane Roberts | Diane Gilman | Diane de Poitiers | Diane Brewster | Diane Bish | Diane Birch | Leo and Diane Dillon | Jennifer Diane Reitz | Hurricane Diane | Diane Ward |