| The Company | The Nonentities |
Margrethe |
Joan Wakeman |
| Bohr | Roberto Carcatera |
| Heisenberg | Trevor Bailey |
| Production | |
| Director | Martin Drury |
| Prompt | Vicky Constable |
| Lighting | Murray Bridges |
| Sound | Richard Gough |
| Properties | Ruth Roff & Maureen Lowman |
| Costume | Lynn Ravenhill |
| Artwork | Vicky Wakeman |