Strallen appeared Off West End in the
Menier Chocolate Factory production of
Merrily We Roll Along as Meg Kincaid in 2013. In 2015, Strallen performed the role of Lana in
Matthew Bourne's
The Car Man, for which she won Outstanding Female Performance (Modern) at the
National Dance Awards. Strallen played the role of Young Phyllis in
Follies in the
West End at the National Theatre from September 2017 to November 2017. She appeared as Fran in the musical
Strictly Ballroom in the West End in March 2018 at the
Piccadilly Theatre. The
Standard reviewer wrote: "The best news, by far, is Strallen, who exudes a lightness and brightness even when a mere face in the dance studio crowd early on. Her acting and dancing is impeccable..." Strallen starred in the title role in the West End revival of
Mary Poppins, which premiered in autumn of 2019 at the
Prince Edward Theatre. She had previously played the role of Mary Poppins in the UK and Ireland tour of the musical starting in October 2015. Strallen appeared in the 2019 fantasy film
Cats as Tantomile. Strallen also played the role of "Q" in the
Chichester Festival Theatre production of Rock Follies in August 2023. Most recently she’s appeared in concert productions of
Sunset Boulevard as Betty (2021) and is set to appear in a concert of
Oklahoma! as Laurey (2024). On 16 January 2025, it was announced that Zizi would be playing
Glinda in the West End production of
Wicked from 25 March 2025. == Filmography ==