A Conversation was first produced by the Ensemble Theatre at the Ensemble Theatre, Sydney, on 5 September 2001, with the following cast:
| JACK MANNING | Geoff Cartwright |
| DEREK MILSOM | Robert Coleby |
| BARBARA MILSOM | Diane Craig |
| LORIN ZEMANEK | Sandy Gore |
| MICK WILLIAMS | Glenn Hazeldine |
| CORAL WILLIAMS | Deborah Kennedy |
| BOB SHORTER | Greg McNeill |
| GAIL WILLIAMS | Bianca Rowe |
| VOICE OF SCOTT WILLIAMS | Damien Garvey |
Director, Sandra Bates
Assistant Director, Andrew Doyle
Production Manager, Melissa Gray
Technical Manager, Matt Binnie