| Name | Character | Episodes |
|---|---|---|
| Bryan Brown | Joe Harman | 3 |
| Gordon Jackson | Noel Strachan | 3 |
| John Lee | Lester 'Les' Robinson | 3 |
| Helen Morse | Jean Paget | 3 |
| Richard Narita | Captain Sugamo | 2 |
| Arkie Whiteley | Annie | 2 |
| Yuki Shimoda | Sergeant Mifune | 2 |
| Tom E. Lewis | Bourneville | 2 |
| Lorna Lesley | Rose Sawyer | 2 |
| Dorothy Alison | Mrs. Frith | 2 |
| Maggie Dence | Mrs. O'Connor | 2 |
| Cecily Polson | Eileen Holland | 1 |
| Lucy Bell | Jane Holland | 1 |
| Steve Bisley | Tim Whelan | 1 |
| John Howard | Donald Paget | 1 |
| Peter Kowitz | TAA Pilot | 1 |
| Peter Collingwood | Dr. Kennedy | 1 |
| Anne Haddy | Aggie Topp | 1 |
| Syd Heylen | Art Foster | 1 |
| Ed Turley | Police Sergeant | 1 |