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Cassidy Janson

Cassidy Janson: A Theatrical Powerhouse in the World of Musicals

Cassidy Janson is a renowned figure in the world of musical theatre. Born and raised in London, she has graced numerous stages with her exceptional talent.

Early Life and Education

Cassidy Janson, born on July 30, 1980, was drawn to the world of theatre from a young age. Her journey into musical theatre began when she attended stage school at the age of sixteen. Her first ever theatre role was in Snoopy The Musical, which marked the beginning of her career in this field.

She trained in various institutions including London Studio Centre, Millennium Dance Complex in Los Angeles, and The Impulse Company in London. These experiences provided her with the skills and knowledge necessary to excel in the world of musical theatre. Her passion and dedication have led her to become one of the most recognised figures in the industry today.

cassidy janson


Cassidy’s career in musical theatre is both diverse and impressive. She has delivered outstanding performances in several productions:

  • Tick, Tick… Boom! at the Menier Chocolate Factory
  • Wicked, where she started as part of the ensemble before becoming standby for the role of Elphaba
  • Avenue Q as Kate Monster/Lucy the Slut
  • Lend me a Tenor as Maggie Saunders
  • Beautiful: The Carole King Musical as Carole King
  • Chess as Florence at the London Colosseum
  • Man of La Mancha at the London Colosseum
  • & Juliet as Anne Hathaway

Awards and Recognition

Her performance in & Juliet earned her the 2020 Olivier Award for Best Supporting Performance in a Musical, further cementing her status as a leading lady of musical theatre.

Cassidy Janson

Music Career

In addition to her theatre work, Cassidy is also part of the musical theatre supergroup, “Leading Ladies”, alongside Beverley Knight and Amber Riley. Their debut album, Songs from the Stage, was well-received. Cassidy also signed with BMG records and released her debut solo album Cassidy.


Cassidy Janson’s contributions to musical theatre are significant. Her performances have not only entertained audiences but also inspired many aspiring artists in the industry.

Holly Smith

I Love Musical Theatre and made the West End World Website To Share My Experiences, Reviews & Theatre News.