Joanna has been an SLT member since 2007.
- Julie in Kafka's Dick (2007) (Prompt Corner)
- Dion in The Winter's Tale (2008) (Prompt Corner)
- Angustias in The House of Bernarda Alba (2009) (Prompt Corner)
- Mrs Morgan in Nightmares and Nightingales (2009) (Prompt Corner)
- Mokhova in Burnt by the Sun (2010) (Bell Theatre)
- Megan Wells in 84 Charing Cross Road (2011) (Bell Theatre)