Cast & crew
The Great McGonagall (1975)
Directed by Joseph McGrath Written by Spike Milligan, Joseph McGrath
Cast
| Spike Milligan | Topaz Mortmain |
| Peter Sellers | Queen Marlena |
| Julia Foster | Minerva McGonagall |
| John Bluthal | Various |
| Victor Spinetti | |
| Valentine Dyall | |
| Clifton Jones | |
| Julian Chagrin | |
| Charlie Young Atom | |
| Luie Caballero |
Crew
| John Mackey | Photoscience Manager |
| Kamal Pasha | Executive Producer |
| Peter Lamb | Executive Producer |
| Spike Milligan | Screenplay |
| Joseph McGrath | Screenplay |
| Joseph McGrath | Director |
| Rusty Coppleman | Editor |
| David Hamilton-Grant | Producer |
| John Shakespeare | Music |
| Derek Warne | Music |