Three friends enlist in the Australian Army and serve in North Africa, holding the city of Tobruk against Rommel's forces.
| Actor | Role |
|---|---|
 Grant TaylorBluey Donkin | Bluey Donkin |
 Peter FinchPeter Linton | Peter Linton |
 Chips RaffertyMilo Trent | Milo Trent |
| PPauline GarrickKate Carmody | Kate Carmody |
| PPat TwohillNot listed | Not listed |
| GGeorge WallaceBarber of Tobruk | Barber of Tobruk |
| JJoe ValliNorthumberland Fusilier | Northumberland Fusilier |