Delroy Atkinson – Gary
Daniel Boys – Princeton/Rod
Mary Doherty – Mrs T / Bear / Others
Christopher Fry – Brian
Mark Goldthorp – Nicky/Trekkie Monster
Rebecca Lock – Kate Monster/Lucy The Slut
Yanle Zhong – Christmas Eve
Naana Agyei-Ampadu – Ensemble
York Chen – Ensemble
Chris Thatcher – Ensemble
Simon Gorton – Swing
Paul Hazel – Swing
Jacqui Sanchez – Swing / Alt Christmas Eve

Understudies
Princeton/Rod:
Simon Gorton, Chris Thatcher
Nicky/Trekkie Monster/Bear:
Chris Thatcher, Simon Gorton, Paul Hazel
Kate Monster/Lucy The Slut:
Mary Doherty, Jacqui Sanchez
Mrs T/Bear/Others:
Jacqui Sanchez, Naana Agyei-Ampadu
Christmas Eve:
York Chen
Brian:
Simon Gorton, Chris Thatcher
Gary:
Paul Hazel, Naana Agyei-Ampadu