 | Judy Davis als Joan Fraser Welch |
 | Sam Neill als David 'Dave' Hoyle, aka Agent 'Nine' |
 | F. Murray Abraham als Josef 'Uncle Joe' Stalin |
 | Richard Roxburgh als Joseph 'Joe' Welch |
 | Rachel Griffiths als Constable Anna Welch |
 | Geoffrey Rush als Zachary Welch |
 | Russell Kiefel als Barry Rogers |
 | John Gaden als Prof. C.W. 'Wilf' Wilke |
 | Kenneth Radley als Bernard Shaw |
 | Ben McIvor als Joe Welch at 8 Years |
 | Fiona Press als Mavis Craig |
| Rowan Woods als Colin 'Col' Slansky |
| Alex Menglet als Yuri Nikolayev |
 | Barry Langrishe als Ted |
 | Ron Haddrick als Sir Allan Miles |
| Graham Ware Jr. als Harry |
 | Heather Mitchell als Mrs. Savage |
| Robbie McGregor als Minister Frank |
 | Paul Livingston als Beria |
| Dennis Watkins als Khrushchev |
| Stephen Abbott als Malenkov |
 | Harold Hopkins als Police Commissioner |
 | Roy Billing als Police Sergeant |
| Charles Little als Doctor |
| Peter Duncan | Author |
| Martin McGrath | Director of Photography |
| Peter Duncan | Casting |
| Simon Martin | Editor |
| Kerrie Brown | Set Decoration |
| Peter Duncan | Director |
| Terry Ryan | Costume Design |
| Nigel Westlake | Original Music Composer |
| Laurie Faen | Art Direction |
| Tristram Miall | Producer |
| Roger Ford | Production Design |
| Robyn Kershaw | Casting |
| P.J. Voeten | First Assistant Director |
| John Martin | Second Assistant Director |
| Jennifer Leacey | Third Assistant Director |
| Robert Agganis | Steadicam Operator |
| Danny Batterham | Camera Operator |
| Katrina Crook | Focus Puller |
| Colin Deane | Focus Puller |
| Michele Duval | Clapper Loader |
| Philip le Masurier | Still Photographer |
| Martin Lee | Steadicam Operator |
| Brett McDowell | Key Grip |
| Ian Phillips | Focus Puller |
| Greg Rawson | Best Boy Electric |
| James Rickard | Focus Puller |
| Graham Sharpe | Camera Operator |
| John Tate | Assistant Grip |
| Kate Dennis | Continuity |
| Simon Martin | Script Editor |
| Peter Duncan | Screenplay |
| Greg Ricketson | Production Supervisor |
| Greg Ricketson | Associate Producer |
| Guntis Sics | Sound Recordist |
| Tracey Hyde-Moxham | Art Department Coordinator |
| Richard Boué | Stunt Coordinator |
| John Bowring | Armorer |
| John Bowring | Special Effects |
| Mel Dykes | Costume Supervisor |
| Kirsten Veysey | Makeup Artist |
| Yvonne Savage | Hairstylist |
| Nik Dorning | Prosthetic Makeup Artist |
| Wendy Sainsbury | Prosthetic Makeup Artist |
| Kirsten Veysey | Prosthetic Makeup Artist |
| Ann-Maree Hurley | Prosthetic Makeup Artist |
| John O'Connell | Choreographer |
| Simon Martin | Post Production Supervisor |
| John Lee | Assistant Editor |
| Martin Connor | First Assistant Editor |
| Christine Woodruff | Music Coordinator |
| Georgina Burke | Researcher |
| Gregory Klumov | Archival Footage Research |
| Andrew Plain | Supervising Sound Editor |
| Libby Villa | Dialogue Editor |
| Antony Gray | Sound Effects Editor |
| Libby Blainey | Title Designer |
