Professor Plantagenet Plum – Laurie Cook
Fiona, his daughter – Bridget Ellis
Mooncalf – David Scottow
Pip (Gremlin) – Charles Whitwham
Pym (Gremlin) – David Stott
Lord Mayor – Peter Bennett
Town Clerk – Timothy Haigh
Mace-Bearer – Andrew Bailey
Olive (Moon Tree) – Margaret Mendies
Myrtle (Moon Tree) – Pat Bridgewater
Laurel (Moon Tree) – Pamela Ashwell
The Man in the Moon – Roy Buxton
The Phoenix – Jean Stuckey
Citizens of Lunibin – Alison Good, Janet Greenwood, Paul Harris, Elizabeth Lawrence. Rachel Lawrence, Neil Lloyd, Elizabeth Poynter, Hilary Tempest, Michael Tempest, Julian Town-Jones