Maskers' Bassett Studio
on15th to 20th May 1978

| Cast | |
| The Lord Chancellor | Phillip De Grouchy |
| Earl of Mountararat | Dennis Gooch |
| Earl Tolloller | John Hoskins |
| Private Willis (of the Grenadier Guards) | David Jupp |
| Strephon (An Arcadian) | Colin Sly |
| Queen of the Fairies | Carol Crisp |
| Iolanthe (A Fairy, Strephon's Mother) | Pam Hoskins |
| Celia (A Fairy) | Claire Euston |
| Leila (A Fairy) | Avril Botto |
| Fleta (A Fairy) | Clare Minns |
| Phyllis (An Arcadian Shepherdess and Ward-in-Chancery) | Jill Charnley |
| Chorus of Fairies:- | |
| Sheila Howard, Meri Lawther, Phillipa Taylor, Sally Thompson, Cressida von Wachter, Carol Wilde | |
| Chorus of Peers:- | |
| Bill Dunford, Peter Hill, Doug Huggins, Mike Standing, Mike Wagner, Andy Holton | |
| For The Maskers and The Savoy Ensemble: | |
| The Director & Producer | Pam Hoskins |
| Musical Director | Jill Charnley |
| Stage Manager & Properties | Liz Wagner |
| Wardrobe Mistress | Grace Bound |
| Set | Ken Spencer |
| Lighting | Clive Weeks |
| Business Management & Publicity | Graham Buchanan & Brian Stansbridge |
| Pianist | Edwina Laird |