Cassidy can currently be seen playing Anna Hathaway in Max Martin’s debut musical ‘& Juliet’ at The Shaftesbury Theatre, London for which she won an Olivier award.
Cassidy is well known for playing Carole King in Beautiful, at the Aldwych Theatre in London’s West End from November 2015 to August 2017, to rave reviews from audiences and critics alike. Following a surprise visit, Carole King said of the performance: ‘Cassidy Janson literally brought me to tears this evening with her performance of Natural Woman. She was who I was, she felt what I felt. She was me!’
Cassidy’s theatre roles include playing Ruth in Dessa Rose at the Trafalgar Studios opposite Cynthia Erivo, Susan in Tick, Tick… Boom! for the Menier Chocolate Factory starring alongside Neil Patrick Harris, Paquette in Candide also at the Menier Chocolate Factory, the principal role of Maggie in Lend Me a Tenor at the Gielgud Theatre, Amy in Company at the Southwark Playhouse and Kate Monster/Lucy the Slut in Avenue Q at the Wyndhams Theatre.
She was also a member of the original London cast of Wicked and played standby for Elphaba and performed the role of Florence in Chess for English National Opera at the Coliseum with Michael Ball and Alexandra Burke. Also at the Coliseum she played Aldonza/Dulcinea in Man Of La Mancha to Kelsey Grammar’s Don Quixote.
On film, her credits include The Hike, Tail’s End, Day Trip to London, Full Circle and Coma. Cassidy also appeared in Casualty for the BBC.
Cassidy’s music career has catapulted over the past few years. In 2017 Cassidy was in the trio Leading Ladies, performing alongside Amber Riley and Beverley Knight. They recorded an acclaimed debut album, entitled Songs from the Stage which was nominated for a Classical Brit Award. Cassidy then signed to BMG records and proceeded to create her debut solo album of her own original music which also included a previously unreleased Carole King track. Her song “When A Woman” is also featured in the British movie Fisherman’s Friends.
Cassidy has previously guested with The Jive Aces, performing at Glastonbury and Ronnie Scott’s as well as on tours to New York City and Florida. Cassidy also performed as a soloist at the Royal Albert Hall for Magic FM’s Magic of the Musicals and duetted with Carole King in Hyde Park for 65,000 people.
Most recently Cassidy performed as part of 2 virtual concert series ‘Leave a Light On’ and ’Tonight At The London Coliseum’. She also performed on This Morning this August singing classics originally sung by Carole King.
& Juliet (Shaftesbury Theatre)
Man of La Mancha (London Coliseum)
Chess (London Coliseum)
Beautiful (Aldwych Theatre)
Dessa Rose (Trafalgar Studios)
Candide (Menier Chocolate Factory)
Blood Wedding (Courtyard Theatre)
Rooms: A Rock Romance (Finborough Theatre)
Lend Me a Tenor (Gielgud Theatre)
Company (Southwark Playhouse)
Avenue Q (Wyndhams Theatre)
Wicked original London cast (Apollo Victoria Theatre)
Tick, Tick… Boom! (Menier Chocolate Factory)
TV & FILM
Day Trip to London