Billy is a boy who is trying to save a baby kangaroo called Joey when it is caught and taken to Sydney. Linda, the young daughter of the U.S. Ambassador is helping Billy in his task.
| Actor | Role |
|---|---|
 Rebecca GibneyPenny McGregor | Penny McGregor |
 Jamie CroftBilly McGregor | Billy McGregor |
 Alex McKennaLinda Ross | Linda Ross |
 Harold HopkinsKanga Catcher | Kanga Catcher |
 Tony BriggsMick | Mick |
 Ruth CracknellSylvia Vanderberg | Sylvia Vanderberg |
 Ed Begley Jr.Ambassador Ted Ross | Ambassador Ted Ross |
 Martin JacobsConstable Walker | Constable Walker |
 Danny AdcockASIO Detective | ASIO Detective |
| AAndrew BoothOfficer Wines | Officer Wines |
 George KapiniarisSpiros | Spiros |
 Grant PiroJohn O'Bannon | John O'Bannon |
 Paul DennyDavo | Davo |
 Peter KowitzSenator | Senator |
 Richard MoirSchool Teacher | School Teacher |