Cast & crew
I Have Been Here Before (1964)
Directed by Ken Hannam
Cast
| Diana Perryman | Pratt |
| Gordon Glenwright | Shipley |
| Alistair Duncan | Dr Chaleck |
| John Unicomb | Farrant |
| Anne Haddy | Janet Tokada |
| Alexander Archdale | Walter Parks Thatcher |
Crew
| Jack Montgomery | Production Design |
| J. B. Priestley | Theatre Play |
| Ken Hannam | Director |
| Ken Hannam | Producer |
| Les Weldon | Producer |