Born in Los Angeles, California, Grammy-nominated artist Alexandra Silber grew up outside Detroit, Michigan.

She attended Interlochen Center for the Arts and continued her training at The Royal Conservatoire of Scotland in Glasgow, graduating with a degree in Acting. She graduated just days before her professional and West End debut as Laura Fairlie in Andrew Lloyd Webber’s The Woman in White at the age of 21.

Alexandra's other British stage work includes Hodel in the Sheffield Crucible’s 2007 production of Fiddler on the Roof, and its subsequent West End transfer, and Julie Jordan in Carousel at The Savoy Theatre in London’s West End (for which she received critical acclaim, and received a TMA Award for Best Performance in a Musical). She also appeared at the BBC Proms at Royal Albert Hall as Lilli Vanessi/Kate in Cole Porter's Kiss Me, Kate with the John Wilson Orchestra to extensive critical acclaim. She recently returned to London at the end of 2021 to reprise her role in the Broadway transfer of Paula Vogel's Indecent directed by Rebecca Taichman at The Menier Chocolate Factory.

She made her New York theater debut in 2011 portraying The Young Wife in the Transport Group’s revival of Michael John LaChiusa’s Hello Again (Drama League Award), and later that year played opposite Tony-Award winner Tyne Daly in Terrence McNally’s Master Class at the Kennedy Center and made her Broadway debut in the same production (garnering a nod from Backstage for one of the great theater performances of 2011). She played Sara Jane in the highly-acclaimed Arlington—a new one-woman, tour-de-force musical at the Vineyard Theater (Outer Critics Circle Nomination for Best Solo Performance); the full recording of which is available from Broadway Records.

Regionally she created the role of Jenny Cavilerri in the North American Premiere of Love Story in Philadelphia, and has appeared Guenevere in Camelot at Shakespeare Theatre Company's highest-grossing production in its history, as Eliza Doolittle in My Fair Lady at The Muny opposite Anthony Andrews, Titania opposite T.R Knight in A Midsummer Night's Dream at Chicago Shakespeare Theatre, and created the role of Countess Andreyni in Ken Ludwig's world premiere adaptation of Murder on the Orient Express at the McCarter Theater Center, as well as creating the role of Elena Firenze in Ken Ludwig's world premiere of Lend Me a Soprano at The Alley Theatre.

On-screen she appeared in Stephen King's 1408 starring John Cusack, and has appeared as a Guest Stars on Elementary, The Mysteries of Laura, and all three branches of the Law & Order series (SVU, Criminal Intent, and the original).

In 2016 Alexandra completed a run on Broadway as Tzeitel in the Tony-nominated revival of Fiddler of the Roof directed by Barlett Sher, starring 7-time Tony Nominee Danny Burstein as Tevye.

As an author, Alexandra's debut novel "After Anatevka" (chronicling what happens to the characters of Hodel and Perchik made famous by the Sholem Aleichem stories), and her memoir "White Hot Grief Parade" (a poignant-comic memoir about losing her father to cancer when she was 18), are both published by Pegasus Books and available at all fine book retailers, as well as read by Alexandra on Audible.com.

As a playwright, she has written modern language adaptations of classic Greek tragedies through a commission by the Dutch Kills Theater. Sophocles' Antigone and Euripides' tragedy The Trojan Women (which was given its first fully staged performance at the Hangar Theatre in Ithaca, New York in June 2015.)

She currently lives in New York with her husband, and their fabulous cat, Tatiana.