| The Lord Chancellor | Joseph Wright |
| Earl of Mountararat | Peter Smith |
| Earl Tolloller | Kayleigh Pearson |
| Strephon | Matthew Stocks |
| Iolanthe | Kate Roscoe |
| Queen of the Fairies | Victoria Smith |
| Phyllis | Chloe Akam |
| Private Willis | Ian Goddard |
| Celia (Act 1,Singing) | Francesca Wright |
| Celia (Act 1,Speaking) | Anna Carr |
| Celia (Act 2) | Kirsty Mitchell |
| Leila (Act 1) | Gemma Weatherall |
| Leila (Act 2) | Kerry-Jane Lilly |
| Fleta | Catherine Pike |
| Amber-Lea Hayles | Laura-Mai Hayles | Fiona James |
| Amy Mullen | Natassha Murrell | Josie Nicollson |
| Natasha Natar | Bridget Wilson |
| Paul Beaumont | Sarah Cook | Katie Ford |
| Brett Hayles | Faye McClure | Ruth McClure |
| Naomi Phillips | Matthew Pike | Alison Scott |
| Nicolas Stocks | Thomas Willcox |