My First Wife is about the dramatic collapse of the marriage between John and Helen. It is also a film about our children and the future we offer them. Helen has decided to leave, and it is John who lacks the inner resources to cope with the impending tragedy. Slowly he is sucked into a tunnel of despair – fighting his conservative nature and the romantic memories of his married life.
| Actor | Role |
|---|---|
 John HargreavesJohn | John |
 Wendy HughesHelen | Helen |
 David CameronTom | Tom |
 Anna Maria MonticelliHilary | Hilary |
 Charles TingwellHelen's Father | Helen's Father |
| BBetty LucasHelen's Mother | Helen's Mother |
| LLucy AngwinLucy | Lucy |
 Jon FinlaysonBernard | Bernard |
 Julia BlakeKristin | Kristin |
 Ron FalkPsychiatrist | Psychiatrist |
 Tony Llewellyn-JonesDoctor | Doctor |
 Linden WilkinsonDoctor | Doctor |
| RRobin LovejoyJohn's Father | John's Father |
| LLucy UralovJohn's Mother | John's Mother |
| XXenia GroutasJohn's Sister | John's Sister |
 Renée GeyerBarmaid | Barmaid |
| SSabrina LorenzBarbra | Barbra |
| RRex CallahanRadio Station Technician | Radio Station Technician |
 Bill HunterBar Patron (uncredited) | Bar Patron (uncredited) |
 Dennis MillerBar Patron (uncredited) | Bar Patron (uncredited) |